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NSN 5305-01-277-4981, 5305012774981
SCREW,CAP,SOCKET HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012774981
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 5305-01-277-4981

National Stock Number (NSN) 5305-01-277-4981, or NIIN 012774981, (screw,cap,socket head) was assigned April 22, 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 3 manufacturer part numbers associated with this NSN. None of the associated part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by one supplier. Today, one supplier is listed as an Active supplier for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over a year. There have been 6 contracts issued for this part number, with 15 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: SPE4A621PD385, SPE5E215V3390, SPM5E214MQ020, SPM5E214MQ020, SPM5AY10D0034. The total value of the awarded contracts has been US$ 50,566.43.

This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.

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 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 5305012774981 does not contain precious metals.

This NSN is associated to Schedule B 7508900000: other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire). The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332999: all other miscellaneous fabricated metal product manufacturing.

This information was last updated on .


Technical Characteristics

COUNTERSINK ANGLE
(CRSQ) 82.0 DEGREES NOMINAL
FASTENER LENGTH
(AASB) 0.750 INCHES NOMINAL
HEAD DIAMETER
(AASL) 0.452 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT COUNTERSUNK
INTERNAL DRIVE STYLE
(ABQZ) SLOT
LOCKING FEATURE
(AAUM) STRIP OR PELLET OR PATCH THREADS
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-N-281 CL A ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL
(MATT) NICKEL ALLOY R-405 FASTENER
MINIMUM TENSILE STRENGTH
(CQBC) 80000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER
(AHYM) 0.250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) SCREW, MACHINE SELF-LOCKING FLATHEAD
THREAD CLASS
(AAJD) 2A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.472 INCHES MINIMUM AND 0.597 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNC
THREAD QUANTITY PER INCH
(CMLP) 20
LOCKING FEATURE
(AAUM) STRIP THREADS OR PELLET THREADS OR PATCH THREADS

Manufacturer Part Numbers


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