The Clamp,loop, cataloged under National Stock Number 5340-00-403-3470, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-403-3470 |
| Primary Part Number | 662080 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corp |
| Status | ACTIVE |
| Tongue Hole Type | ROUND, UNTHREADED |
| 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 |
|---|---|
| 662080 PRIMARY | Rtx Corp (USA) |
| Reference | Meaning |
|---|---|
| 662080 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 662080 | 3/9 Design control — primary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
NSN 5340-00-403-3470 is a Clamp,loop, manufactured by Rtx Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-403-3470 has 1 manufacturer part number on file: 662080 (Rtx Corp).
1 possible match (shared part number, not a government interchangeability claim): 6520-01-617-9169. Verify interchangeability with system specifications before substitution.
Key specifications for 662080: Overall Width: 1.000 INCHES NOMINAL IN; Special Features: CLAMP HAS AN ANGLE BRACKET WELDED ALONG LENGTH WITH A HOLE IN THE BRACKET COINCIDING WITH THE CLAMP TONGUE HOLE; Tongue Hole Type: ROUND, UNTHREADED. 1 specification is 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.