The Clip,spring Tension, cataloged under National Stock Number 5340-00-111-7501, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-111-7501 |
| Primary Part Number | 1771097-7 |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Length | 0.326 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-C-533 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Loop/holding Dimension | 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Material Thickness | 0.012 INCHES NOMINAL IN |
| Smallest Width | 0.125 INCHES NOMINAL IN |
| Distance From Loop Center to End | 0.205 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Width | 0.224 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 170 OR COPPER ALLOY 172 OVERALL |
| Hole Diameter | 0.064 INCHES MINIMUM AND 0.070 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 |
|---|---|
| 1771097-7 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 106-312-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-111-7501 is a Clip,spring Tension, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-111-7501 has 1 manufacturer part number on file: 1771097-7 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1771097-7: Overall Height: 0.410 INCHES MAXIMUM IN; Length: 0.326 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-F-495 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-C-533 MIL SPEC ALL MATERIAL RESPONSES 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.