The Clamp,loop, cataloged under National Stock Number 5340-01-271-6964, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-271-6964 |
| Primary Part Number | 625-2937-001 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Style Designator | CENTER MOUNT |
| Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Material Thickness | 0.0285 INCHES MINIMUM AND 0.0355 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 0.490 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.340 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 240 OR COPPER ALLOY 260 OVERALL |
| Loop Inside Diameter | 0.297 INCHES MINIMUM AND 0.327 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 |
|---|---|
| 625-2937-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 625-2937-001 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5340-01-271-6964 is a Clamp,loop, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-271-6964 has 1 manufacturer part number on file: 625-2937-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 625-2937-001: Style Designator: CENTER MOUNT; Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Diameter: 0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Overall Width: 0.359 INCHES MINIMUM AND 0.400 INCHES MAXIMUM 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.