The Clamp,loop, cataloged under National Stock Number 5340-00-680-3399, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-680-3399 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE BAND A |
| Cushioning Environmental Protection | WEATHER RESISTANT AND OZONE RESISTANT |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.063 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 2.280 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 2.062 INCHES NOMINAL IN |
| Material | RUBBER CHLOROPRENE CLASS CR CUSHION |
| Loop Inside Diameter | 3.125 INCHES NOMINAL 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 |
| Reference | Meaning |
|---|---|
| MIL-DTL-8603 | 4/1 Identification reference U.S. Government activity |
| MIL-C-8603 | 5/9 Secondary reference U.S. Government activity |
| 5340PL0738924 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MS21919DG50 | 2/2 Government specification standardization U.S. Government activity |
| 10458725 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-00-680-3399 is a Clamp,loop, classified under FSC 5340, Hardware, Commercial. Status: active.
Key specifications for 5340-00-680-3399: Surface Treatment Document and Classification: MIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE BAND A; Cushioning Environmental Protection: WEATHER RESISTANT AND OZONE RESISTANT; Style Designator: OFFSET MOUNT; Material Document and Classification: AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHION. 12 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.