The Clip,spring Tension, cataloged under National Stock Number 5340-00-261-3937, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-261-3937 |
| Primary Part Number | 66B6271 |
| Item Name | Clip,spring Tension |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Length | 0.842 INCHES MINIMUM AND 0.862 INCHES MAXIMUM 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 |
| Loop/holding Dimension | 0.807 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Material Thickness | 0.019 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN |
| Distance From Loop Center to End | 0.537 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Width | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 172 OVERALL |
| 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 |
|---|---|
| 66B6271 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 094615-0001 | C/1 Advisory reference — outside the item-of-supply concept Thales Usa, Inc. Div Air Mobility Solutions ("ams") |
| 6082-3CC | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-261-3937 is a Clip,spring Tension, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-261-3937 has 1 manufacturer part number on file: 66B6271 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 66B6271: Overall Height: 0.982 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN; Length: 0.842 INCHES MINIMUM AND 0.862 INCHES MAXIMUM 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. 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.