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NSN 5310-00-011-4378, 5310000114378
Cancelled -> Replaced by 5310005501602

Federal Supply Classification
FSC 5310 - Nuts and Washers
National Item Identification Number
NIIN 000114378
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 5310-00-011-4378

National Stock Number (NSN) 5310-00-011-4378, or NIIN 000114378, (nut,plain,hexagon) was assigned January 1, 1961 in the Federal Logistics Information System (FLIS). This NIIN is Available for Manual Assignment. This NSN replaces 1 stock number, 5310005501602.

There are 8 manufacturer part numbers associated with this NSN. 5 of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 4 suppliers. Today, 2 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, only one supplier is deemed design controlled or valid supply parts. ISO Group has a strong supply network for this NSN, with 15 sources of supply.

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

This NSN is somewhat common among different platforms, belonging to 6 different weapons systems.

There has been very little 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: Acquire directly from the actual manufacturer, whether or not the prime contractor is the actual manufacturer. 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 5310000114378 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

BEARING SURFACE TYPE
(CRTM) FLAT
MATERIAL
(MATT) STEEL OVERALL
NOMINAL THREAD SIZE
(CQJX) 0.250 INCHES
NONDEFINITIVE SPEC/STD DATA
(ZZZT) 2 TYPE AND 13 STYLE AND 2B CLASS
NUT HEIGHT
(ADEA) 0.178 INCHES MINIMUM AND 0.193 INCHES MAXIMUM
NUT STYLE
(ACTA) HEXAGON
WIDTH ACROSS FLATS
(ASDB) 0.423 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD CLASS
(AAJD) 2B
THREAD SERIES
(BZRR) UNC
THREAD QUANTITY PER INCH
(CMLP) 20

Manufacturer Part Numbers

114378

RNCC
5
RNVC
9
1143F8

RNCC
5
RNVC
9
84850

RNCC
5
RNVC
9
DX418K

RNCC
5
RNVC
9
FFN836

RNCC
4
RNVC
1
N16311L

RNCC
5
RNVC
9
PD77

RNCC
3
RNVC
2

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