The Clamp,loop, cataloged under National Stock Number 5340-01-542-4573, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-542-4573 |
| Primary Part Number | 12421379-011 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | T-BOLT |
| Material | STEEL CORROSION RESISTING OVERALL |
| Loop Inside Diameter | 10.3 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 12421379-011 | Oshkosh Defense Llc (USA) |
| 12421379-011 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12421379 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5340-01-542-4573 is a Clamp,loop, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-542-4573 has 2 manufacturer part numbers on file: 12421379-011 (Oshkosh Defense Llc), 12421379-011 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 5340-01-557-9259, 5340-01-644-1027. Verify interchangeability with system specifications before substitution.
Key specifications for 12421379-011: Style Designator: T-BOLT; Overall Width: 0.7 MILLIMETERS NOMINAL MM; Special Features: METRIC, SPECIFICATION CONTROL DRAWING; End Item Identification: 2320-01-508-8859; TRUCK,MATERIALS HANDLING-CONTAINER; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS). 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.