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NSN 5305-01-274-1256, 5305012741256
SCREW,CAP,SOCKET HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012741256
Codification Country
United States
Item Name Code
INC 16282
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 5305-01-274-1256

National Stock Number (NSN) 5305-01-274-1256, or NIIN 012741256, (screw,cap,socket head) was assigned March 5, 1988 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There are 4 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, 2 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 not been procured by the US Government in over 5 years.

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 Mar 22, 2007, 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) 16282. [AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. THE HEAD HAS AN INTERNAL SOCKET OR MULTIPLE SPLINE FOR USE WITH AN INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES:ITEMS WITH BEVEL (CONICAL) HEADS. SEE BOLT, INTERNAL WRENCHING. EXCLUDES:SCREW, SHOULDER; AND SCREW, MACHINE.]. 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 5305012741256 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) 0.968 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 80.0 ROCKWELL B MINIMUM FASTENER
HEAD DIAMETER
(AASL) 0.122 INCHES MINIMUM AND 0.132 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.419 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
HEAD STYLE
(AASK) BUTTON
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
LOCKING FEATURE
(AAUM) PELLET THREADS
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER
MATERIAL
(MATT) PLASTIC LOCKING FEATURE
MATERIAL
(MATT) STEEL COMP 302 FASTENER OR STEEL COMP 304 FASTENER OR STEEL COMP 305 FASTENER
MINIMUM TENSILE STRENGTH
(CQBC) 80000 POUNDS PER SQUARE INCH
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.868 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNRC
THREAD QUANTITY PER INCH
(CMLP) 20
WIDTH ACROSS FLATS
(ASDB) 0.1562 INCHES MINIMUM AND 0.1582 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT
(SFTT) PASSIVATE FASTENER

Manufacturer Part Numbers


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