The Clamp,loop, cataloged under National Stock Number 5340-01-339-4261, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-339-4261 |
| Primary Part Number | 749370 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Center to Center Distance Between Loop and Lug Hole | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Distance From Outer Edge of Lug to Hole Center | 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE BAND |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.205 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Material Thickness | 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 0.817 INCHES MINIMUM AND 0.847 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Material | STEEL COMP 302 OR STEEL COMP 321 BAND |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE CUSHION |
| 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 |
|---|---|
| 749370 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 749370 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-01-339-4261 is a Clamp,loop, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-339-4261 has 1 manufacturer part number on file: 749370 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 749370: Center to Center Distance Between Loop and Lug Hole: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Distance From Outer Edge of Lug to Hole Center: 0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN; Material Document and Classification: MIL-S-5059 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6721 MIL SPEC 2ND MATERIAL RESPONSE BAND; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE CUSHION. 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.