PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21049Clamp,loop

All-States Inc. · NSN 5340-01-397-0839 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-397-0839 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-397-0839. Primary manufacturer part number: 21049.
Features
  • Clamp,loop — FSC 5340
  • Style Designator: SINGLE LOOP
  • Material Diameter: 0.0390 INCHES MINIMUM AND 0.0710 INCHES MAXIMUM IN
  • Diameter: 0.3750 INCHES NOMINAL IN
  • Center to Center Distance Between Loop and Mounting Hole: 0.5890 INCHES MINIMUM AND 0.6010 INCHES MAXIMUM IN
  • Tongue Hole Type: ROUND, UNTHREADED
  • Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
  • 5 verified cross-references
Applications
  • Applications requiring Plastic Polyhexamethylene Adipamide Overall construction
General Description

The Clamp,loop, cataloged under National Stock Number 5340-01-397-0839, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is All-States Inc.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-397-0839
Primary Part Number21049
Item NameClamp,loop
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerAll-States Inc.
StatusACTIVE
Style DesignatorSINGLE LOOP
Material Diameter0.0390 INCHES MINIMUM AND 0.0710 INCHES MAXIMUM IN
Diameter0.3750 INCHES NOMINAL IN
Center to Center Distance Between Loop and Mounting Hole0.5890 INCHES MINIMUM AND 0.6010 INCHES MAXIMUM IN
Tongue Hole TypeROUND, UNTHREADED
MaterialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 8
5340-01-374-55327934 SUCCESSOR
Clamp,loop
Carlisle & Finch Co
5310-00-431-734921049 INTERCHANGEABLE
Washer,lock
Dresser, Llc
5315-01-069-513621049 INTERCHANGEABLE
Pin
Paccar Winch Inc Dba Paccar Winch Division
2530-01-100-453421049 INTERCHANGEABLE
Push Rod
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5120-01-108-96496LN INTERCHANGEABLE
Wrench,plier
Stanley Tools Div of Stanley Works
5950-01-215-72345586847 INTERCHANGEABLE
Transformer,power
Naval Sea Systems Command
5950-01-221-5542425163-1 INTERCHANGEABLE
Transformer,power
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5315-01-705-820421049 INTERCHANGEABLE
Pin,straight,headed
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
21049 PRIMARY All-States Inc. (USA)
640147P5 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
22CC37D0375 PRIMARY Micro Plastics Inc (USA)
T3D0375 PRIMARY Hellermanntyton Corporation (USA)
6LN All-States Inc. (USA)
Related Parts
5340-01-374-5532SUCCESSOR
CLAMP,LOOP
7934
5310-00-431-7349INTERCHANGEABLE
WASHER,LOCK
21049
5315-01-069-5136INTERCHANGEABLE
PIN
21049
2530-01-100-4534INTERCHANGEABLE
PUSH ROD
21049
5120-01-108-9649INTERCHANGEABLE
WRENCH,PLIER
6LN
5950-01-215-7234INTERCHANGEABLE
TRANSFORMER,POWER
5586847
5950-01-221-5542INTERCHANGEABLE
TRANSFORMER,POWER
425163-1
5315-01-705-8204INTERCHANGEABLE
PIN,STRAIGHT,HEADED
21049

Frequently Asked Questions

What is NSN 5340-01-397-0839?

NSN 5340-01-397-0839 is a Clamp,loop, manufactured by All-States Inc., classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-397-0839?

NSN 5340-01-397-0839 has 5 cross-referenced part numbers: 21049 (All-States Inc.), 640147P5 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 22CC37D0375 (Micro Plastics Inc), T3D0375 (Hellermanntyton Corporation), 6LN (All-States Inc.).

What NSN replaces 5340-01-397-0839?

There are 8 known substitutes for 5340-01-397-0839: 5340-01-374-5532, 5310-00-431-7349, 5315-01-069-5136 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21049?

Key specifications for 21049: Style Designator: SINGLE LOOP; Material Diameter: 0.0390 INCHES MINIMUM AND 0.0710 INCHES MAXIMUM IN; Diameter: 0.3750 INCHES NOMINAL IN; Overall Width: 0.3590 INCHES MINIMUM AND 0.3910 INCHES MAXIMUM IN. 7 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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