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NSN 5310-00-021-8588, 5310000218588
NUT,PLAIN,HEXAGON

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 000218588
Codification Country
United States
Item Name Code
INC 01857
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 5310-00-021-8588

National Stock Number (NSN) 5310-00-021-8588, or NIIN 000218588, (nut,plain,hexagon) was assigned January 1, 1963 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 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. ISO Group has several sources of supply for this NSN.

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

This NSN is assigned to Item Name Code (INC) 01857. [A NUT, FLAT ON TOP AND BOTTOM HAVING 6 FLAT SIDES. FOR ITEMS WHICH HAVE INTERNAL TAPERED OR STRAIGHT (PARALLEL) PIPE THREADS, SPECIFIC ELECTRICAL CONDUIT SIZE DESIGNATION, AND WHICH WHEN INSTALLED, PROVIDE A METHOD OF TIGHTENING TO LOCK THE CONNECTION, SEE LOCKNUT, ELECTRICAL CONDUIT. SEE ALSO LOCKNUT, TUBE FITTING. FOR ITEMS HAVING A THICKNESS (OR HEIGHT) EXCEEDING TWO TIMES THE WIDTH ACROSS THE FLATS, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. (WHEN HEIGHT OR THICKNESS AND/OR WIDTH ACROSS THE FLATS IS DESIGNATED AS A TOLERANCE DIMENSION, THE MAXIMUM DIMENSION WILL BE USED TO DETERMINE COMPLIANCE.)]. 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 5310000218588 contains an unknown precious metal.

This NSN is associated to Schedule B 7415290000: copper screws, nuts, bolts, rivets, and other fasteners not threaded. The Schedule B End Use is listed as finished metal shapes. NAICS classification category 332722: bolt, nut, screw, rivet, and washer manufacturing.

This information was last updated on .


Technical Characteristics

BEARING SURFACE TYPE
(CRTM) CHAMFERED OR WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-B-611 CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) COPPER ALLOY OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.312 INCHES
NONDEFINITIVE SPEC/STD DATA
(ZZZT) A TYPE
NUT HEIGHT
(ADEA) 0.233 INCHES MINIMUM AND 0.267 INCHES MAXIMUM
NUT STYLE
(ACTA) HEXAGON
WIDTH ACROSS FLATS
(ASDB) 0.5470 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 2B
THREAD SERIES
(BZRR) UNF
THREAD QUANTITY PER INCH
(CMLP) 24

Manufacturer Part Numbers


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