The Clip,spring Tension, cataloged under National Stock Number 5340-00-279-5545, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Precision Coil Spring Company Dba Precision Coil Spring Co. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-279-5545 |
| Primary Part Number | 3269121 |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Precision Coil Spring Company Dba Precision Coil Spring Co |
| Status | ACTIVE |
| Length | 0.706 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-C-533,ALLOY 172 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.010 INCHES NOMINAL IN |
| Distance From Loop Center to End | 0.400 INCHES NOMINAL IN |
| Loop Opening Width | 0.122 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Width | 0.062 INCHES NOMINAL IN |
| Material | COPPER ALLOY 172 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 3269121 PRIMARY | The Precision Coil Spring Company Dba Precision Coil Spring Co (USA) |
| Reference | Meaning |
|---|---|
| 3269121 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-279-5545 is a Clip,spring Tension, manufactured by The Precision Coil Spring Company Dba Precision Coil Spring Co, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-279-5545 has 1 manufacturer part number on file: 3269121 (The Precision Coil Spring Company Dba Precision Coil Spring Co).
1 possible match (shared part number, not a government interchangeability claim): 4820-00-509-6421. Verify interchangeability with system specifications before substitution.
Key specifications for 3269121: Length: 0.706 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-C-533,ALLOY 172 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.010 INCHES NOMINAL IN. 9 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.
NSN 5340-00-279-5545 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.