The Clamp,loop, cataloged under National Stock Number 5340-00-837-4103, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is J & M Products, Inc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-837-4103 |
| Primary Part Number | JM43LC6D4T |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | J & M Products, Inc |
| Status | ACTIVE |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.201 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Material Thickness | 0.029 INCHES MINIMUM AND 0.035 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 0.645 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.457 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE CUSHION |
| Material | ALUMINUM ALLOY 2024 BAND |
| Loop Inside Diameter | 0.235 INCHES MINIMUM AND 0.265 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 |
|---|---|
| JM43LC6D4T PRIMARY | J & M Products, Inc (USA) |
| S280D4 | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| 5340PL1683019 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 477-4 | 3/2 Design control — primary reference U.S. Government activity |
| 5340PL1683032 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5340PL0765668 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C2874D4 | 7/2 Vendor item drawing reference U.S. Government activity |
| TA11C44D4T | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-837-4103 is a Clamp,loop, manufactured by J & M Products, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-837-4103 has 2 manufacturer part numbers on file: JM43LC6D4T (J & M Products, Inc), S280D4 (Umpco, Inc. Dba Umpco Inc).
7 possible matches (shared part number, not a government interchangeability claim): 5975-00-849-4083, 5360-00-962-4402, 5905-01-003-5419. Verify interchangeability with system specifications before substitution.
Key specifications for JM43LC6D4T: Style Designator: OFFSET MOUNT; Material Document and Classification: QQ-A-250/5,T4 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.201 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN; Overall Width: 0.375 INCHES NOMINAL IN. 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.