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NSN 5310-00-181-6040, 5310001816040
Cancelled -> Replaced by 5310000549526

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 001816040
Codification Country
United States
Item Name Code
INC 01857
Criticality
(Y) This item does not have a nuclear hardened feature but does have other critical feature(s) 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 5310-00-181-6040

National Stock Number (NSN) 5310-00-181-6040, or NIIN 001816040, (nut,plain,hexagon) was assigned March 11, 1970 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5310000549526.

There are 4 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 6 suppliers. Today, 6 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, with the most recent procurement date of Aug 21, 2018. There have been 3 contracts issued for this part number, with 3 awards given. There is minimal competition for this NSN. The US Government has awarded contracts to 2 different suppliers. The last contract numbers awarded were: SPE4A418V049E, SPE5E715M4052, SPM5A910M1715, SPM5A910M1715. The total value of the awarded contracts has been US$ 26,717.75.

This NSN is somewhat common among different platforms, belonging to 2 different weapons systems.

There has been a small amount of demand for this national stock number. The demand for this NSN originated from less than 5 countries. Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Apr 01, 2020, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) This part requires engineering source approval by the design control activity in order to maintain the quality of the part. An alternate source must qualify in accordance with the design control activity's procedures, as approved by the cognizant Government engineering activity. 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 but does have other critical feature(s) 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 5310001816040 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

END ITEM IDENTIFICATION
(AGAV) C-5 LANDING GEAR
BEARING SURFACE TYPE
(CRTM) FLAT
CRITICALITY CODE JUSTIFICATION
(CRTL) AGAV
COUNTERSINK ANGLE
(CRSQ) 120.0 DEGREES NOMINAL NUT
MATERIAL
(MATT) STEEL OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.750 INCHES
NUT HEIGHT
(ADEA) 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
NUT STYLE
(ACTA) HEXAGON
WIDTH ACROSS FLATS
(ASDB) 0.996 INCHES MINIMUM AND 1.003 INCHES MAXIMUM
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 16
THREAD SERIES
(BZRR) UNJF
III END ITEM IDENTIFICATION
(AGAV) C-5 LANDING GEAR

Manufacturer Part Numbers


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