The Clip,spring Tension, cataloged under National Stock Number 5340-01-156-8056, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-156-8056 |
| Primary Part Number | 74A661272-2001 |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Length | 3.207 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-25043,COMP 17-7PH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Width | 1.240 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 74A661272-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10112808 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-156-8056 is a Clip,spring Tension, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-156-8056 has 1 manufacturer part number on file: 74A661272-2001 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-508-5578. Verify interchangeability with system specifications before substitution.
Key specifications for 74A661272-2001: Length: 3.207 INCHES NOMINAL IN; Material Document and Classification: MIL-S-25043,COMP 17-7PH MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Width: 1.240 INCHES NOMINAL IN; Material: STEEL OVERALL. 4 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.