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NSN 5305-01-728-8207, 5305017288207
SCREW,SHOULDER

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 017288207
Codification Country
United States
Item Name Code
INC 22846
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 5305-01-728-8207

National Stock Number (NSN) 5305-01-728-8207, or NIIN 017288207, (screw,shoulder) was assigned April 22, 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 5 manufacturer part numbers associated with this NSN. One of those 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) 22846. [AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES:BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.]. 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 5305017288207 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

CHAMFER ANGLE
(CSYT) 30.0 DEGREES MINIMUM AND 45.0 DEGREES MAXIMUM
FASTENER LENGTH
(AASB) 3.345 INCHES MINIMUM AND 3.375 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.977 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.490 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT CHAMFER
INTERNAL DRIVE STYLE
(ABQZ) HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-N-286 SOLUTION ANNEALED AND AGE HARDENED FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) NICKEL ALLOY 502 AND NICKEL ALLOY K-500 OVERALL
NOMINAL THREAD DIAMETER
(AHYM) 0.6250 INCHES
PART NAME ASSIGNED BY CONTROLLING AGENCY
(CXCY) SCREW, SHOULDER, SOCKET HEAD, HEXAGON ALLOY STEEL OR NONFERROUS ALLOYS, UNC-3A
SHOULDER DIAMETER
(AATN) 0.7460 INCHES MINIMUM AND 0.7480 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH
(AATX) 2.495 INCHES MINIMUM AND 2.505 INCHES MAXIMUM FIRST SHOULDER
SHOULDER SHAPE
(CWYB) ROUND FIRST SHOULDER
SPECIFICATION/STANDARD DATA
(ZZZK) 80205-NAS-51975 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WIDTH ACROSS FLATS
(ASDB) 0.375 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) AMS-QQ-P-416 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 3A
THREAD LENGTH
(AASA) 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
THREAD SERIES DESIGNATOR
(THSD) UNC
THREAD QUANTITY PER INCH
(CMLP) 11

Manufacturer Part Numbers


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