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NSN 5310-00-220-6740, 5310002206740
Cancelled -> Replaced by 5310003848806

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 002206740
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.
Availability: Readily Available Qualified Suppliers: Currently qualifying suppliers

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DLMS® Summary

National Stock Number 5310-00-220-6740

National Stock Number (NSN) 5310-00-220-6740, or NIIN 002206740, (nut,plain,hexagon) was assigned January 1, 1963 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 2 stock numbers: 5310003848806, 5310002750904.

There are 9 manufacturer part numbers associated with this NSN. 6 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 7 suppliers. Today, 5 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 5 suppliers 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 unique to one weapons system.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 12, 2013, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The data or the rights to use the data needed to purchase this part from additional sources are not owned by the Government and it has been determined that it is uneconomical to purchase them. Valid AMCs: 1, 2, 3, 4 and 5.

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 5310002206740 does not contain precious metals.

This NSN is associated to Schedule B 7318160000: nuts of iron or steel. 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

THREAD PITCH DIAMETERS
(AAJE) +0.8425/+0.8472 INCHES
BEARING SURFACE TYPE
(CRTM) WASHER FACED
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 1117 OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.875 INCHES
NUT HEIGHT
(ADEA) 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
NUT STYLE
(ACTA) HEXAGON
WIDTH ACROSS FLATS
(ASDB) 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 20
THREAD PITCH DIAMETERS
(AAJE) +0.8425 TO 0.8472 INCHES
THREAD SERIES
(BZRR) UNEF

Manufacturer Part Numbers

256853

RNCC
5
RNVC
2
256853

RNCC
5
RNVC
9
256853

RNCC
5
RNVC
9
399K233

RNCC
3
RNVC
2
5039P11

RNCC
3
RNVC
2
5310002206740

RNCC
5
RNVC
9
556853

RNCC
5
RNVC
2
556853

RNCC
3
RNVC
2
556853

RNCC
5
RNVC
9
6245669

RNCC
5
RNVC
2
648304

RNCC
5
RNVC
9
853386

RNCC
5
RNVC
9
B245669

RNCC
5
RNVC
9
256853

RNCC
5
RNVC
2
5310002206740

RNCC
6
RNVC
9

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