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NSN 5305-01-249-4181, 5305012494181
SCREW,CAP,SOCKET HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 012494181
Codification Country
United States
Item Name Code
INC 16282
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5305-01-249-4181

National Stock Number (NSN) 5305-01-249-4181, or NIIN 012494181, (screw,cap,socket head) was assigned February 11, 1987 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN does not replace any other NSNs.

There is only one manufacturer part number 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, there are no suppliers that are deemed design controlled or valid supply parts.

This part number has not been procured by the US Government in over 5 years.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Sep 08, 2017, this NSN's acquisition method was noted as: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. The Government physically does not have in its possession sufficient, accurate, or legible data to purchase this part from other than current source(s). (NOTE: This code is applicable only to parts under immediate buy requirements and only as long as the deficiency is under review for resolution and appropriate recoding.) 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 but does have other critical feature(s) 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 5305012494181 does not contain precious metals.

This information was last updated on .


Technical Characteristics

MATERIAL
(MATT) STEEL OVERALL
THREAD QUANTITY PER INCH
(CMLP) 32
WIDTH ACROSS FLATS
(ASDB) 0.156 INCHES NOMINAL
FASTENER LENGTH
(AASB) 0.750 INCHES NOMINAL
III PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) SCREW,CAP,SOCKET HEAD
THREAD CLASS
(AAJD) 3A
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
THREAD SERIES DESIGNATOR
(THSD) UNF
CRITICALITY CODE JUSTIFICATION
(CRTL) ZZZY
HEAD DIAMETER
(AASL) 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) SCREW,CAP,SOCKET HEAD
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
(ZZZY) AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS
THREAD LENGTH
(AASA) 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM
THREAD DIRECTION
(AAJF) RIGHT-HAND
HEAD STYLE
(AASK) FLAT CHAMFER
NOMINAL THREAD DIAMETER
(AHYM) 0.190 INCHES

Manufacturer Part Numbers


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