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NSN 5305-01-727-3661, 5305017273661
SCREW,CAP,SOCKET HEAD

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 017273661
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 5305-01-727-3661

National Stock Number (NSN) 5305-01-727-3661, or NIIN 017273661, (screw,cap,socket head) was assigned February 28, 2025 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, 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.

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 5305017273661 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

CHAMFER ANGLE
(CSYT) 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM
FASTENER LENGTH
(AASB) 1.250 INCHES NOMINAL
HEAD DIAMETER
(AASL) 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT CHAMFER
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
LOCKING FEATURE
(AAUM) MATERIAL IN THREADS LOCKING FEATURE
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS5731 OR 5737 AEROSPACE MATERIAL SPEC STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) IRON ALLOY 660 OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.1640 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,UNRF-3A
SPECIFICATION/STANDARD DATA
(ZZZK) 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS
(ASDB) 0.141 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-DTL-13924,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) BLACK OXIDE OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 3A
THREAD LENGTH
(AASA) 0.875 INCHES NOMINAL
THREAD SERIES DESIGNATOR
(THSD) UNRF
THREAD QUANTITY PER INCH
(CMLP) 36

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