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NSN 5305-01-180-4756, 5305011804756
SCREW,CLOSE TOLERANCE

Federal Supply Classification
FSC 5305 - Screws
National Item Identification Number
NIIN 011804756
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 5305-01-180-4756

National Stock Number (NSN) 5305-01-180-4756, or NIIN 011804756, (screw,close tolerance) was assigned May 29, 1984 in the Federal Logistics Information System (FLIS). NIIN 011804756 was cancelled on May 2, 2019, with a cancelled status of "Item is Cancelled - USE." This NSN was replaced by NSN 5305011605705. 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.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Dec 11, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The Government has unlimited rights to the technical data, and the data package is complete. Valid AMCs: 1 and 2.

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 5305011804756 does not contain precious metals.

This information was last updated on .


Technical Characteristics

THREAD QUANTITY PER INCH
(CMLP) 32
THREAD CLASS
(AAJD) 3A
MINIMUM TENSILE STRENGTH
(CQBC) 160000 POUNDS PER SQUARE INCH
HEAD STYLE
(AASK) PAN NO. 2
HEAD DIAMETER
(AASL) 0.360 INCHES MINIMUM AND 0.374 INCHES MAXIMUM
HEAD HEIGHT
(AASU) 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) AMS4967,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD LENGTH
(AASA) 0.337 INCHES MINIMUM AND 0.387 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA
(ZZZK) 80205-NAS1578 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FASTENER LENGTH
(AASB) 0.534 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
GRIP DIAMETER
(AAUR) 0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
GRIP LENGTH
(ANEE) 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM
SURFACE FINISH
(CSYM) 32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH
(CSYM) 32.0 MICROINCHES THREADS
THREAD SERIES DESIGNATOR
(THSD) UNJF
THREAD DIRECTION
(AAJF) RIGHT-HAND
NOMINAL THREAD DIAMETER
(AHYM) 0.190 INCHES
SURFACE FINISH
(CSYM) 32.0 MICROINCHES GRIP
INTERNAL DRIVE STYLE
(ABQZ) OFFSET CRUCIFORM (TORQUE SET)
MATERIAL
(MATT) TITANIUM ALLOY OVERALL

Manufacturer Part Numbers


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