The Clip,spring Tension, cataloged under National Stock Number 5340-01-641-4976, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-641-4976 |
| Primary Part Number | 803-6397269 ITEM 143 |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 |
| Length | 2.4375 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Style Designator | SPECIAL |
| Distance From End to Hole Nearest Loop | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B103/B103M, ALY C51000, TEMPER H08 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Width | 0.750 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Hole Quantity | 2 |
| Hole Diameter | 0.281 INCHES NOMINAL IN |
| Loop Height | 0.250 INCHES NOMINAL 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 |
|---|---|
| 167-8278492 ITEM 39 | Naval Sea Systems Command (USA) |
| 167-8278275 ITEM 39 | Naval Sea Systems Command (USA) |
| 803-6397269 ITEM 143 PRIMARY | Naval Sea Systems Command (USA) |
| 167-8278268 ITEM 41 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 167-8278268 | D/9 Drawing number reference only Naval Sea Systems Command |
| 167-8278275 | D/9 Drawing number reference only Naval Sea Systems Command |
| 803-6397269 | D/9 Drawing number reference only Naval Sea Systems Command |
| 167-8278492 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5340-01-641-4976 is a Clip,spring Tension, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-641-4976 has 4 manufacturer part numbers on file: 167-8278492 ITEM 39 (Naval Sea Systems Command), 167-8278275 ITEM 39 (Naval Sea Systems Command), 803-6397269 ITEM 143 (Naval Sea Systems Command), 167-8278268 ITEM 41 (Naval Sea Systems Command).
5 possible matches (shared part number, not a government interchangeability claim): 5325-01-641-7422, 3040-01-641-7425, 3040-01-641-8153. Verify interchangeability with system specifications before substitution.
Key specifications for 803-6397269 ITEM 143: Mounting Facility Quantity: 2; Length: 2.4375 INCHES NOMINAL IN; Mounting Method: UNTHREADED HOLE(S); Style Designator: SPECIAL. 12 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.