The Clamp,loop, cataloged under National Stock Number 5340-00-778-0309, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-778-0309 |
| Primary Part Number | 9090273 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE BAND |
| Style Designator | SINGLE LOOP |
| Diameter | 0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Material Thickness | 0.120 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.030 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.660 INCHES NOMINAL IN |
| Material | STEEL BAND |
| Loop Inside Diameter | 0.430 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 9090273 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 5D1 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-778-0309 is a Clamp,loop, manufactured by Us Army Aviation and Missile Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-778-0309 has 1 manufacturer part number on file: 9090273 (Us Army Aviation and Missile Command).
1 possible match (shared part number, not a government interchangeability claim): 2910-01-075-0228. Verify interchangeability with system specifications before substitution.
Key specifications for 9090273: Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 1 FED SPEC SINGLE TREATMENT RESPONSE BAND; Style Designator: SINGLE LOOP; Diameter: 0.340 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Overall Width: 0.750 INCHES NOMINAL IN. 10 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.