PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21333-3Clamp,loop

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-01-031-0905 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-031-0905 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-031-0905. Primary manufacturer part number: MS21333-3.
Features
  • Clamp,loop — FSC 5340
  • Center to Center Distance Between Loop and Mounting Hole: 0.406 INCHES NOMINAL IN
  • Distance From Loop Center to Tongue End: 0.625 INCHES NOMINAL IN
  • Loop Inside Diameter: 0.250 INCHES NOMINAL IN
  • Test Data Document: 81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Surface Treatment: CADMIUM OR ZINC BAND
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE BAND
  • Material: STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1020 BAND
Applications
  • Applications requiring Steel Comp 1005 or Steel Comp 1006 or Steel Comp 1008 or Steel Comp 1010 or Steel Comp 1011 or Steel Comp 1012 or Steel Comp 1013 or Steel Comp 1015 or Steel Comp 1016 or Steel Comp 1017 or Steel Comp 1018 or Steel Comp 1020 Band construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-01-031-0905, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-031-0905
Primary Part NumberMS21333-3
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Center to Center Distance Between Loop and Mounting Hole0.406 INCHES NOMINAL IN
Distance From Loop Center to Tongue End0.625 INCHES NOMINAL IN
Loop Inside Diameter0.250 INCHES NOMINAL IN
Test Data Document81349-MIL-P-23199 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Surface TreatmentCADMIUM OR ZINC BAND
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE BAND
MaterialSTEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1012 OR STEEL COMP 1013 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1017 OR STEEL COMP 1018 OR STEEL COMP 1020 BAND
Tongue Hole TypeROUND, UNTHREADED
Style DesignatorSINGLE LOOP
Material Thickness0.032 INCHES NOMINAL IN
Departure From Cited DocumentAS MODIFIED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
Diameter0.203 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
5340-00-854-6532MS21333-27 SUCCESSOR
Clamp,loop
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-912-8870NASM21333-10 SUCCESSOR
Clamp,loop
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5340-00-057-2890 INTERCHANGEABLE
Clamp,loop
Cross-Reference Index
Part NumberManufacturer
NASM21333 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS21333-3 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5340-00-854-6532SUCCESSOR
CLAMP,LOOP
MS21333-27
5340-00-912-8870SUCCESSOR
CLAMP,LOOP
NASM21333-10
5340-00-057-2890INTERCHANGEABLE
CLAMP,LOOP

Frequently Asked Questions

What is NSN 5340-01-031-0905?

NSN 5340-01-031-0905 is a Clamp,loop, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-031-0905?

NSN 5340-01-031-0905 has 2 cross-referenced part numbers: NASM21333 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS21333-3 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5340-01-031-0905?

There are 3 known substitutes for 5340-01-031-0905: 5340-00-854-6532, 5340-00-912-8870, 5340-00-057-2890. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21333-3?

Key specifications for MS21333-3: Center to Center Distance Between Loop and Mounting Hole: 0.406 INCHES NOMINAL IN; Distance From Loop Center to Tongue End: 0.625 INCHES NOMINAL IN; Loop Inside Diameter: 0.250 INCHES NOMINAL IN; End Item Identification: MRAP - M-ATV WITH CS13 POP AND SNE. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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