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NSN 5305-01-497-9726, 5305014979726
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 014979726
Codification Country
United States
Item Name Code
INC 29294
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 5305-01-497-9726

National Stock Number (NSN) 5305-01-497-9726, or NIIN 014979726, (screw,close tolerance) was assigned June 10, 2002 in the Federal Logistics Information System (FLIS). NIIN 014979726 was cancelled on December 18, 2018, with a cancelled status of "Item is Cancelled - Inactive." There is no known replacement specified for this stock number. This NSN does not replace any other NSNs.

There are no manufacturer part numbers associated to this NSN.

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

This NSN is unique to one weapons system.

This NSN is assigned to Item Name Code (INC) 29294. [A SCREW, MACHINE OR SCREW, CAP, SOCKET HEAD WHOSE UNTHREADED PORTION IS OF SPECIFIED GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001 IN.) (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS (1.000 IN.) (25 MM) OR LESS IN DIAMETER. ITEMS OVER (1.000 IN.) (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015 IN.) (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001 IN.) (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. THE HEAD IS DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER. IT IS NOT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS.]. 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 5305014979726 does not contain precious metals.

This information was last updated on .


Technical Characteristics

THREAD LENGTH
(AASA) 0.338 INCHES NOMINAL
HEAD DIAMETER
(AASL) 0.338 INCHES MINIMUM AND 0.381 INCHES MAXIMUM
NOMINAL THREAD DIAMETER
(AHYM) 0.190 INCHES
GRIP LENGTH
(ANEE) 0.750 INCHES NOMINAL
SPECIFICATION/STANDARD DATA
(ZZZK) 80205-NAS1790 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
COUNTERSINK ANGLE
(CRSQ) 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATERIAL
(MATT) STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP E4340 OVERALL
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD QUANTITY PER INCH
(CMLP) 32
MINIMUM TENSILE STRENGTH
(CQBC) 160000 POUNDS PER SQUARE INCH
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) MIL-S-5625 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR AMS6415 ASSN STD 2ND MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
THREAD DIRECTION
(AAJF) RIGHT-HAND
HEAD STYLE
(AASK) FLAT COUNTERSUNK
INTERNAL DRIVE STYLE
(ABQZ) HIGH-TORQUE
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL
THREAD CLASS
(AAJD) 3A
FASTENER LENGTH
(AASB) 1.073 INCHES MINIMUM AND 1.103 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.219 INCHES MINIMUM AND 0.220 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416, TYII, CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

Manufacturer Part Numbers


Related Inventory

NAS1790-3-12Y
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