PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS21333-123Clamp,loop

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5340-00-989-1771 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-989-1771 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-989-1771. Primary manufacturer part number: MS21333-123.
Features
  • Clamp,loop — FSC 5340
  • Diameter: 0.406 INCHES NOMINAL IN
  • Loop Inside Diameter: 0.500 INCHES NOMINAL IN
  • Distance From Loop Center to Tongue End: 1.156 INCHES NOMINAL IN
  • Center to Center Distance Between Loop and Mounting Hole: 0.844 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC CUSHION
  • Style Designator: SINGLE LOOP
  • Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND
Applications
  • Applications requiring Rubber Synthetic Cushion construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-00-989-1771, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-989-1771
Primary Part NumberMS21333-123
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
StatusCANCELLED
Diameter0.406 INCHES NOMINAL IN
Loop Inside Diameter0.500 INCHES NOMINAL IN
Distance From Loop Center to Tongue End1.156 INCHES NOMINAL IN
Center to Center Distance Between Loop and Mounting Hole0.844 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC CUSHION
Style DesignatorSINGLE LOOP
Surface TreatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND
Tongue Hole TypeROUND, UNTHREADED
Material Thickness0.032 INCHES NOMINAL IN
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
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 12
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
6515-01-262-74043044 SUCCESSOR
Catheterization Kit,urethral
Cardinal Health 200, Llc
3110-00-090-672134-259 INTERCHANGEABLE
Bearing
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
4310-00-167-9748 INTERCHANGEABLE
Crankshaft
5305-00-206-054011D16 INTERCHANGEABLE
Screw,machine
Curtiss-Wright Controls, Inc. Div Actuation Division
9540-00-222-0467 INTERCHANGEABLE
Angle,structural
6640-00-228-0423 INTERCHANGEABLE
Film,pressure Sensitive
2530-00-391-4345FD3406 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
2910-00-477-817533044 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
Cross-Reference Index
Part NumberManufacturer
573044 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
7716656 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5342PL0730691 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5340009891771 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
NASM21333-123 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
NASM21333 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS21333-123 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS21333-123 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
3044 General Fire Extinguisher Corp (USA)
S123159 Anthony York Co (USA)
Related Parts
5340-00-854-6532SUCCESSOR
CLAMP,LOOP
MS21333-27
5340-00-912-8870SUCCESSOR
CLAMP,LOOP
NASM21333-10
6515-01-262-7404SUCCESSOR
CATHETERIZATION KIT,URETHRAL
3044
3110-00-090-6721INTERCHANGEABLE
BEARING
34-259
4310-00-167-9748INTERCHANGEABLE
CRANKSHAFT
5305-00-206-0540INTERCHANGEABLE
SCREW,MACHINE
11D16
9540-00-222-0467INTERCHANGEABLE
ANGLE,STRUCTURAL
6640-00-228-0423INTERCHANGEABLE
FILM,PRESSURE SENSITIVE
2530-00-391-4345INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
FD3406
2910-00-477-8175INTERCHANGEABLE
FILTER ELEMENT,FLUID
33044
9540-00-555-1081INTERCHANGEABLE
ANGLE,STRUCTURAL
6920-00-674-1756INTERCHANGEABLE
BLADE ASSEMBLY,TURB

Frequently Asked Questions

What is NSN 5340-00-989-1771?

NSN 5340-00-989-1771 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: cancelled.

What are the part numbers for NSN 5340-00-989-1771?

NSN 5340-00-989-1771 has 10 cross-referenced part numbers: 573044 (U S Army Tank Automotive Command Amsta-Im-Mm), 7716656 (U S Army Tank Automotive Command Amsta-Im-Mm), 5342PL0730691 (Jednolity Indeks Materialowy - Uniform Material Index), 5340009891771 (E.c.a Etablissement Centrald'approvisionnement Des Forces Armee), NASM21333-123 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 5 more.

What NSN replaces 5340-00-989-1771?

There are 12 known substitutes for 5340-00-989-1771: 5340-00-854-6532, 5340-00-912-8870, 6515-01-262-7404 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS21333-123?

Key specifications for MS21333-123: Diameter: 0.406 INCHES NOMINAL IN; Overall Width: 0.625 INCHES NOMINAL IN; Loop Inside Diameter: 0.500 INCHES NOMINAL IN; End Item Identification: MRAP - COUGAR CAT1 A1; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-989-1771 still in active supply?

NSN 5340-00-989-1771 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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