NSN 5342-01-350-8563, 5342013508563
COUPLING,CLAMP,GROOVED

Federal Supply Classification: FSC 5342 - Hardware, Weapon System
National Item Identification Number: NIIN 013508563
Codification Country: United States
Item Name Code: INC 20319
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 5342-01-350-8563

National Stock Number (NSN) 5342-01-350-8563, or NIIN 013508563, (coupling,clamp,grooved) was assigned December 24, 1991 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. One of those part number(s) are considered obsolete. The manufacturer part numbers were originally supplied by 3 suppliers. Today, 3 suppliers are listed as Active suppliers for this NSN. Of the active suppliers, 2 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 somewhat common among different platforms, belonging to 3 different weapons systems.

Based on a planned procurement review by the Primary Inventory Control Activity (PICA) on Jul 02, 2006, this NSN's acquisition method was noted as: Suitable for Competitive Acquisition. (Potential sources shall include dealers/distributors.) The rights to use the data needed to purchase this part from additional sources are not owned by the Government and cannot be purchased. Valid AMCs: 1, 2, 3, 4 and 5.

This NSN is assigned to Item Name Code (INC) 20319. [A METAL LOOP HAVING EITHER A V OR U CROSS SECTION OR CHANNELLED SEGMENT(S). IT MAY BE ATTACHED TO A FLAT BAND. IT IS DESIGNED TO CREATE A FLUID TIGHT JOINT AND/OR CONNECT PIPE, TUBING, TANK COVER(S), DUCT(S) AND THE LIKE, BY MATING WITH FLANGED OR BEADED FERRULE(S), FLARED, OR BEADED ENDS. IT MAY OR MAY NOT HAVE A SEALING INNER LINER. A LATCH OR LATCHES OF THE QUICK COUPLING TYPE, NUT OR BOLT TYPE, OR THREADED TRUNNION TYPE IS (ARE) USED TO LOCK AND ADJUST THE BAND. EXCLUDES:COUPLING, CLAMP, PIPE AND RING, LOCKING, METAL DRUM COVER.]. 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 5342013508563 contains silver.

This NSN is associated to Schedule B 9803200000: military equipments not identified by kind. The Schedule B End Use is listed as military apparel and footwear.

This information was last updated on Jul 01, 2025.

Technical Characteristics

INSIDE DIAMETER: (AARX) 4.600 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AMS 5525, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE AND AMS 5596 ASSN STD SINGLE MATERIAL RESPONSE LINK
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AMS 5731, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE NUT
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE RIVET
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE WASHER
MATERIAL DOCUMENT AND CLASSIFICATION: (MDCL) AMS 5732, COMP 660 ASSN STD SINGLE MATERIAL RESPONSE BOLT
MATERIAL: (MATT) IRON ALLOY 660 AND NICKEL LINK
MATERIAL: (MATT) IRON ALLOY 660 BOLT
MATERIAL: (MATT) IRON ALLOY 660 NUT
MATERIAL: (MATT) IRON ALLOY 660 RETAINER
MATERIAL: (MATT) IRON ALLOY 660 RIVET
MATERIAL: (MATT) STEEL CORROSION RESISTING SCREW
MATERIAL: (MATT) STEEL CORROSION RESISTING AND IRON ALLOY 660 WASHER
PRECIOUS MATERIAL AND LOCATION: (PMLC) PLATED SELF LOCKING NUTS SILVER
PRECIOUS MATERIAL: (PRMT) SILVER
SEGMENT QUANTITY: (ALDT) 2
SHAPE: (SHPE) ROUND
SPECIAL FEATURES: (FEAT) V COUPLING; CAGEC,15284; DWG NUM 2703
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: (STDC) AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENT: (SFTT) SILVER NUT
SURFACE TREATMENT AND LOCATION: (ANNR) SILVER, AMS 2410 NUT ERR-100 ERR-100
MATERIAL AND LOCATION: (ANNQ) IRON ALLOY, AMS 5732, COMP 660 RETAINER ERR-100 ERR-100 IRON ALLOY, AMS 5525, COMP 660 LINK ERR-100 ERR-100 AND NICKEL ALLOY, AMS 5596 LINK ERR-100 ERR-100 IRON ALLOY, AMS 5732, COMP 660 RIVET ERR-100 ERR-100 STEEL, CORROSION RESISTING WASHER ERR-100 ERR-100 AND IRON ALLOY, AMS 5732, COMP 660 WASHER ERR-100 ERR-100 IRON ALLOY, AMS 5731, COMP 660 NUT ERR-100 ERR-100 OR IRON ALLOY, AMS 5732, COMP 660 NUT ERR-100 ERR-100 IRON ALLOY, AMS 5732, COMP 660 BOLT ERR-100 ERR-100 STEEL, CORROSION RESISTING SCREW ERR-100 ERR-100