The Clamp,loop, cataloged under National Stock Number 5340-00-173-2985, 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 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-173-2985 |
| Primary Part Number | JM44LC9SH20T |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | J & M Products, Inc |
| Status | ACTIVE |
| Cushioning Environmental Protection | HEAT |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE CUSHION |
| Diameter | 0.201 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.266 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.048 INCHES NOMINAL IN |
| Material | STEEL COMP 301 OR STEEL COMP 302 BAND |
| Material | PLASTIC POLYTRIFLUOROETHYLENE CUSHION |
| Loop Inside Diameter | 1.250 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 |
| Part Number | Manufacturer |
|---|---|
| S280SS20 | Umpco, Inc. Dba Umpco Inc (USA) |
| JM44LC9SH20T PRIMARY | J & M Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| TA11C44SS20T | 3/2 Design control — primary reference U.S. Government activity |
| C2874C20 | 7/2 Vendor item drawing reference U.S. Government activity |
| 477SS20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-173-2985 is a Clamp,loop, manufactured by J & M Products, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-173-2985 has 2 manufacturer part numbers on file: S280SS20 (Umpco, Inc. Dba Umpco Inc), JM44LC9SH20T (J & M Products, Inc).
Key specifications for JM44LC9SH20T: Cushioning Environmental Protection: HEAT; Style Designator: OFFSET MOUNT; Material Document and Classification: AMS 3651 ASSN STD SINGLE MATERIAL RESPONSE CUSHION; Diameter: 0.201 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN. 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.