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NSN 4730-00-277-5088, 4730002775088
LOCKNUT,TUBE FITTING

Federal Supply Classification
FSC 4730 - Hose, Pipe, Tube, Lubrication, and Railing Fittings
National Item Identification Number
NIIN 002775088
Codification Country
United States
Item Name Code
INC 17645
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 4730-00-277-5088

National Stock Number (NSN) 4730-00-277-5088, or NIIN 002775088, (locknut,tube fitting) 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. 3 of those 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, only one supplier is 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 a year. There have been 2 contracts issued for this part number, with 2 awards given. The US Government has only awarded those contracts to one supplier. The last contract numbers awarded were: SPE7M322P3105, SPE7M322P1951. The total value of the awarded contracts has been US$ 900.00.

This NSN is somewhat common among different platforms, belonging to 3 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 Apr 02, 2005, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) Acquisition of this part is controlled by QPL procedures. Valid AMCs: 1 and 2.

This NSN is assigned to Item Name Code (INC) 17645. [AN ITEM WITH INTERNAL MACHINE THREADS DESIGNED TO FIT THE EXTERNAL MACHINE THREADS OF A TUBE FITTING. IT HAS FLAT FACES, ONE OF WHICH HAS A COUNTERBORED RECESS TO ACCOMMODATE PACKING, PACKING OR SEALING RING(S), GASKET(S), AND THE LIKE. THE ITEM, WHEN INSTALLED, PROVIDES A METHOD OF LOCKING AND SEALING THE CONNECTION. SEE ALSO LOCKNUT, PIPE; NUT (1), TUBE COUPLING AND NUT (1), PLAIN, HEXAGON.]. 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 4730002775088 contains an unknown precious metal.

This information was last updated on .


Technical Characteristics

NUT HEIGHT
(ADEA) 0.438 INCHES NOMINAL
NUT STYLE
(ACTA) TUBE FITTING LOCKNUT
PACKING RECESS DEPTH
(CFPW) 0.054 INCHES NOMINAL
PACKING RECESS DIAMETER
(CFPT) 2.728 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION
(MDCL) QQ-S-637,COMP 1141 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL
(MATT) STEEL COMP 1141 OVERALL
NOMINAL THREAD SIZE
(CQJX) 2.500 INCHES
NOMINAL TUBE OUTSIDE DIAMETER
(CQRJ) 2.000 INCHES
WIDTH ACROSS FLATS
(ASDB) 2.812 INCHES NOMINAL
SPECIFICATION/STANDARD DATA
(ZZZK) 88044-AN6289 GOVERNMENT STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
(STDC) QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT
(SFTT) CADMIUM OVERALL
THREAD CLASS
(AAJD) 3B
THREAD DIRECTION
(AAJF) RIGHT-HAND
THREAD QUANTITY PER INCH
(CMLP) 12
THREAD SERIES
(BZRR) UN

Manufacturer Part Numbers

AN628932

RNCC
5
RNVC
9
AN628932

RNCC
5
RNVC
9
AS517932

RNCC
5
RNVC
9
AS4841

RNCC
5
RNVC
9
AS4841

RNCC
3
RNVC
1
AS517932

RNCC
3
RNVC
2

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