The Clip,spring Tension, cataloged under National Stock Number 5340-01-398-4179, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Tech-Etch, Inc. Dba Tech-Etch Inc. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-398-4179 |
| Primary Part Number | BFC-304-0-T |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Tech-Etch, Inc. Dba Tech-Etch Inc |
| Status | ACTIVE |
| Length | 0.500 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN |
| Style Designator | STANDOFF |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Loop/holding Dimension | 0.562 INCHES NOMINAL IN |
| Material Thickness | 0.025 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Width | 0.562 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Hole Quantity | 1 |
| Hole Diameter | 0.196 INCHES MINIMUM AND 0.207 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 |
| Part Number | Manufacturer |
|---|---|
| 5168588 | Naval Sea Systems Command (USA) |
| BFC-304-0-T PRIMARY | Tech-Etch, Inc. Dba Tech-Etch Inc (USA) |
NSN 5340-01-398-4179 is a Clip,spring Tension, manufactured by Tech-Etch, Inc. Dba Tech-Etch Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-398-4179 has 2 manufacturer part numbers on file: 5168588 (Naval Sea Systems Command), BFC-304-0-T (Tech-Etch, Inc. Dba Tech-Etch Inc).
Key specifications for BFC-304-0-T: Length: 0.500 INCHES MINIMUM AND 0.590 INCHES MAXIMUM IN; Style Designator: STANDOFF; Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Loop/holding Dimension: 0.562 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.
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.