ISO Group Logo
Defense and Aerospace
Supply Chain Partner
A Dynatech International Company


NSN 5305-01-054-6251, 5305010546251
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 010546251
Codification Country
United States
Item Name Code
INC 29294
Criticality
(X) This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Hazardous Material Indicator Code
(N) There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials.
Availability: Request Qualified Suppliers: We have 2 qualified suppliers

Manufacture or supply this part?
Join our growing community of certified suppliers.

Let Us Know
  CALL ABOUT NSN 5305-01-054-6251
Our client representatives are standing by to help fulfill your request.

+1-321-773-5710

  REQUEST QUOTE for 5305-01-054-6251


Have a list that needs to be quoted? Upload it here.

DLMS® Summary

National Stock Number 5305-01-054-6251

National Stock Number (NSN) 5305-01-054-6251, or NIIN 010546251, (screw,close tolerance) was assigned January 23, 1978 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 7 manufacturer part numbers associated with this NSN. 2 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 7 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers are deemed design controlled or valid supply parts. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over 5 years, with the most recent procurement date of May 30, 2018. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE5E118F0168, SPE5E118F0168. The total value of the awarded contracts has been US$ 7,263.63.

This NSN is unique to one weapons system.

There has been very little demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 29294. [A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.]. This item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. There is no data in the HMIRS and the NSN is in an FSC not generally suspected of containing hazardous materials. NSN 5305010546251 contains an unknown precious metal.

This NSN is associated to Schedule B 7318152000: bolts and bolts and their nuts or washers exported in the same shipment. The Schedule B End Use is listed as iron and steel products, other. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

FASTENER LENGTH
(AASB) 3.121 INCHES NOMINAL
GRIP DIAMETER
(AAUR) 0.4360 INCHES MINIMUM AND 0.4370 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 2.428 INCHES MINIMUM AND 2.448 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.605 INCHES MINIMUM AND 0.625 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.112 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT CHAMFER
INTERNAL DRIVE STYLE
(ABQZ) OFFSET CRUCIFORM (TORQUE SET)
NOMINAL THREAD DIAMETER
(AHYM) 0.438 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP H11 OVERALL
MINIMUM TENSILE STRENGTH
(CQBC) 220000 POUNDS PER SQUARE INCH
SPECIAL FEATURES
(FEAT) CONICAL BEARING SURFACE OF HEAD 99.0 DEGREE TO 101.0 DEGREE INCLUDED ANGLE 0.077 IN. LONG
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.668 INCHES MINIMUM AND 0.698 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD QUANTITY PER INCH
(CMLP) 20
SURFACE FINISH
(CSYM) 32.0 MICROINCHES GRIP
SURFACE FINISH
(CSYM) 32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) NAS 672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL

Manufacturer Part Numbers

121754739

RNCC
5
RNVC
2
121754739

RNCC
5
RNVC
2
AIC9535739

RNCC
5
RNVC
9
C9535739

RNCC
7
RNVC
2
FBF1198739

RNCC
5
RNVC
9
PBF1198739

RNCC
5
RNVC
2
SC1776739

RNCC
5
RNVC
2
VT1696739

RNCC
3
RNVC
2

Related Inventory



 
Top