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NSN 5305-01-187-5839, 5305011875839
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 011875839
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.
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DLMS® Summary

National Stock Number 5305-01-187-5839

National Stock Number (NSN) 5305-01-187-5839, or NIIN 011875839, (screw,close tolerance) was assigned August 23, 1984 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 3 manufacturer part numbers associated with this NSN. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers are deemed design controlled or valid supply parts.

This part number has been procured by the US Government within the last year, but shows no recent (last 90 days) procurement activity. There have been 5 contracts issued for this part number, with 5 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 5 different suppliers. The last contract numbers awarded were: SPE4A723PF679, SPE5E217VA360, SPE5E216V7833, SPE5E216V7833, SPE5E216V7833. The total value of the awarded contracts has been US$ 32,486.23.

This NSN is unique to one weapons system.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. The 24 month forecast from the US Government for this part number has high volatility, with an estimated forecasted value of US$ 14,297. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jun 02, 2005, 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 5305011875839 does not contain precious metals.

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) 1.310 INCHES MINIMUM AND 1.330 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.360 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
HEAD STYLE
(AASK) PAN NO. 2
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
NOMINAL THREAD DIAMETER
(AHYM) 0.190 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 5732 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) IRON ALLOY 660 OVERALL
MINIMUM TENSILE STRENGTH
(CQBC) 180000 POUNDS PER SQUARE INCH
SPECIAL FEATURES
(FEAT) 3 KEYWAYS 1.280 IN. MIN. AND 1.300 IN. MAX. LONG AND 0.030 IN. MIN. AND 0.034 IN. MAX. WIDE MACHINED IN SHANK. BORE MACHINED IN THREAD END TO RECEIVE PLUG
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.425 INCHES MINIMUM AND 0.465 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD QUANTITY PER INCH
(CMLP) 32
WIDTH ACROSS FLATS
(ASDB) 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM
SURFACE FINISH
(CSYM) 32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH
(CSYM) 32.0 MICROINCHES GRIP
SURFACE FINISH
(CSYM) 32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) PASSIVATE OVERALL

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