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NSN 5305-00-442-7421, 5305004427421
Cancelled -> Replaced by 5305010991631

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 004427421
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 5305-00-442-7421

National Stock Number (NSN) 5305-00-442-7421, or NIIN 004427421, (screw,cap,socket head) was assigned May 23, 1974 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5305010991631.

There are no manufacturer part numbers associated to this NSN. ISO Group has several sources of supply for this NSN.

This part number has not been procured by the US Government in over a year. There have been 20 contracts issued for this part number, with 20 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 4 different suppliers. The last contract numbers awarded were: SPE4A722F2257, SPE4A621F536A, SPE4A621F293J, SPE4A621F074X, SPE4A620F093F. The total value of the awarded contracts has been US$ 6,759.64.

This NSN is very common among different weapons systems, belonging to 28 different platforms.

There has been a small amount of 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 Jun 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 5305004427421 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) 1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
HARDNESS RATING
(CQFM) 38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
HEAD DIAMETER
(AASL) 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT CHAMFER
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
MATERIAL
(MATT) STEEL OVERALL
MINIMUM TENSILE STRENGTH
(CQBC) 180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH
(CQHQ) 155000 POUNDS PER SQUARE INCH
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 1.000 INCHES MINIMUM
THREAD SERIES DESIGNATOR
(THSD) UNRF
THREAD QUANTITY PER INCH
(CMLP) 28
WIDTH ACROSS FLATS
(ASDB) 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA
(ZZZK) 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL AND CHROMATE OVERALL

Manufacturer Part Numbers


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