The Clip,spring Tension, cataloged under National Stock Number 5340-00-413-4591, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-413-4591 |
| Primary Part Number | 646551-1 |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Length | 0.407 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Loop/holding Dimension | 0.375 INCHES NOMINAL IN |
| Material Thickness | 0.015 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN |
| Smallest Width | 0.187 INCHES NOMINAL IN |
| Distance From Loop Center to End | 0.230 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Width | 0.562 INCHES NOMINAL IN |
| Material | STEEL COMP 1075 OVERALL |
| Hole Diameter | 0.093 INCHES MINIMUM AND 0.096 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 646551-1 PRIMARY | L3harris Technologies, Inc. (USA) |
| 6001-93A | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6001-93A | 5/9 Secondary reference U.S. Government activity |
| 646551-1 | 5/9 Secondary reference U.S. Government activity |
| 64655-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5340-00-413-4591 is a Clip,spring Tension, manufactured by L3harris Technologies, Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-413-4591 has 2 manufacturer part numbers on file: 646551-1 (L3harris Technologies, Inc.), 6001-93A (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 4820-00-609-7495. Verify interchangeability with system specifications before substitution.
Key specifications for 646551-1: Overall Height: 0.461 INCHES NOMINAL IN; Length: 0.407 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 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.