The Clamp,loop, cataloged under National Stock Number 5340-01-198-2408, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-198-2408 |
| Primary Part Number | JM44LC28WD7YN |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | J & M Products, Inc |
| Status | ACTIVE |
| Cushioning Environmental Protection | FUEL RESISTANT AND WEATHER RESISTANT AND OZONE RESISTANT |
| Fastening Device Type | LOCK TAB |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | QQ-A-250/5 T4 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | AMS 3215 ASSN STD SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.0295 INCHES MINIMUM AND 0.0345 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 0.918 INCHES NOMINAL IN |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.623 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 BAND |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR CUSHION |
| Loop Inside Diameter | 0.423 INCHES MINIMUM AND 0.453 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 |
|---|---|
| S663WDF7 | Umpco, Inc. Dba Umpco Inc (USA) |
| JM44LC28WD7YN PRIMARY | J & M Products, Inc (USA) |
| ST9M588WDF7 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 815WD7NB | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-198-2408 is a Clamp,loop, manufactured by J & M Products, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-198-2408 has 3 manufacturer part numbers on file: S663WDF7 (Umpco, Inc. Dba Umpco Inc), JM44LC28WD7YN (J & M Products, Inc), ST9M588WDF7 (The Boeing Company Div Defense).
Key specifications for JM44LC28WD7YN: Cushioning Environmental Protection: FUEL RESISTANT AND WEATHER RESISTANT AND OZONE RESISTANT; Fastening Device Type: LOCK TAB; Style Designator: OFFSET MOUNT; Material Document and Classification: QQ-A-250/5 T4 FED SPEC SINGLE MATERIAL RESPONSE BAND. 13 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.