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NSN 5305-01-337-5974, 5305013375974
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 013375974
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 5305-01-337-5974

National Stock Number (NSN) 5305-01-337-5974, or NIIN 013375974, (screw,close tolerance) was assigned April 18, 1991 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 2 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 suppliers 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 Apr 02, 2007, this NSN's acquisition method was noted as: Not established. Not established.

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 5305013375974 contains an unknown precious metal.

This NSN is associated to Schedule B 8109900000: zirconium and articles thereof nesoi. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 331491: nonferrous metal (except copper and aluminum) rolling, drawing, and extruding.

This information was last updated on .


Technical Characteristics

COUNTERSINK ANGLE
(CRSQ) 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
FASTENER LENGTH
(AASB) 1.360 INCHES MINIMUM AND 1.407 INCHES MAXIMUM
FEATURES PROVIDED
(CBBL) O RING
GRIP LENGTH
(ANEE) 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM
HEAD DIAMETER
(AASL) 0.602 INCHES MINIMUM AND 0.634 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.088 INCHES MINIMUM AND 0.090 INCHES MAXIMUM
HEAD STYLE
(AASK) FLAT COUNTERSUNK UNDERCUT
INTERNAL DRIVE STYLE
(ABQZ) HIGH-TORQUE
NOMINAL THREAD DIAMETER
(AHYM) 0.312 INCHES
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
MATERIAL
(MATT) RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR RINGTITANIUM ALLOY UNS R56400 FASTENER
MINIMUM TENSILE STRENGTH
(CQBC) 160000 POUNDS PER SQUARE INCH
THREAD CLASS
(AAJD) 3A
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD LENGTH
(AASA) 0.501 INCHES NOMINAL
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD QUANTITY PER INCH
(CMLP) 24
SURFACE FINISH
(CSYM) 32.0 MICROINCHES BEARING SURFACE OF HEAD32.0 MICROINCHES GRIP32.0 MICROINCHES THREADS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) BAC5861,CAGEC 81205 MFR REF SINGLE TREATMENT RESPONSE FASTENER
SURFACE TREATMENT
(SFTT) PHOSPHATE FASTENER

Manufacturer Part Numbers


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