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NSN 5305-01-738-7416, 5305017387416
SCREW,CAP,SOCKET HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 017387416
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 5305-01-738-7416

National Stock Number (NSN) 5305-01-738-7416, or NIIN 017387416, (screw,cap,socket head) was assigned May 28, 2026 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. 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. ISO Group has several sources of supply for this NSN.

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

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 5305017387416 does not contain precious metals.

This information was last updated on .


Technical Characteristics

CHAMFER ANGLE
(CSYT) 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM
COLOR
(HUES) BLACK FASTENER
FASTENER LENGTH
(AASB) 1.250 INCHES NOMINAL
HEAD DIAMETER
(AASL) 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT CHAMFER
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
LOCKING FEATURE
(AAUM) PELLET LOCKING FEATURE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE FASTENER
MATERIAL
(MATT) STEEL FASTENER
NOMINAL THREAD DIAMETER
(AHYM) 0.3750 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) SCREW,CAP,SOCKET HEAD,UNDRILLED AND DRILLED,PLAIN AND SELF-LOCKING,ALLOY STEEL,CORROSION-RESISTANT STEEL AND HEAT-RESISTANT STEEL,UNRC-3A AND UNRC-2A
SPECIAL FEATURES
(FEAT) SELF-LOCKING ELEMENT IN ACCORDANCE WITH NAS1283,TYPE N
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 1.250 INCHES NOMINAL
THREAD QUANTITY PER INCH
(CMLP) 16
THREAD SERIES DESIGNATOR
(THSD) UNRC
WIDTH ACROSS FLATS
(ASDB) 0.312 INCHES NOMINAL
SPECIFICATION/STANDARD DATA
(ZZZK) 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-DTL-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT
(SFTT) OXIDE FASTENER

Manufacturer Part Numbers


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