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NSN 5310-01-121-1698, 5310011211698
NUT,SELF-LOCKING,EXTENDED WASHER

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 011211698
Codification Country
United States
Item Name Code
INC 29730
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 5310-01-121-1698

National Stock Number (NSN) 5310-01-121-1698, or NIIN 011211698, (nut,self-locking,extended washer) was assigned October 31, 1981 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 6 suppliers. Today, 6 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 4 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, with the most recent procurement date of Mar 12, 2010. There has been one contract issued for this part number, with one award given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPM5AA10V2433, SPM5AA10V2433. The total value of the awarded contracts has been US$ 5,544.40.

This NSN is somewhat common among different platforms, belonging to 4 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 Dec 13, 2013, 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) 29730. [A NUT HAVING 6 FLAT SIDES AND AN INTEGRAL WASHER WHICH EXTENDS BEYOND THE FLATS OR PERIPHERY. AN INTEGRAL FEATURE IS INCORPORATED FOR LOCKING ON THE THREADS OF A MATING MEMBER.]. 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 5310011211698 does not contain precious metals.

This information was last updated on .


Technical Characteristics

COUNTERBORE DIAMETER
(AAWY) 0.284 INCHES MINIMUM NUT AND 0.288 INCHES MAXIMUM NUT
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES
NUT COUNTERBORE DEPTH
(ADFK) 0.107 INCHES MINIMUM NUT AND 0.117 INCHES MAXIMUM NUT
NUT STYLE
(ACTA) HEXAGON
OVERALL HEIGHT
(ABKW) 0.340 INCHES MAXIMUM
LOCKING FEATURE
(AAUM) PREVAILING TORQUE ALL METAL DESIGN
LUBRICATION
(ABAJ) SOLUBLE LUBRICANT
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-A-225/9,TEMPER T73 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) ALUMINUM ALLOY 7075 OVERALL
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD SERIES
(BZRR) UNJF
THREAD QUANTITY PER INCH
(CMLP) 28
WASHER OUTSIDE DIAMETER
(AAVX) 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM
WIDTH ACROSS FLATS
(ASDB) 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) ANODIZE OVERALL

Manufacturer Part Numbers

KF6188

RNCC
3
RNVC
2
KFN6188

RNCC
3
RNVC
2
KFN6188

RNCC
7
RNVC
2
KFN6188

RNCC
3
RNVC
2
KFN6188

RNCC
5
RNVC
2
KFN6188

RNCC
5
RNVC
2
5310PL1642766

RNCC
6
RNVC
9

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