The Clamp,loop, cataloged under National Stock Number 5340-01-592-3997, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Umpco, Inc. Dba Umpco Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-592-3997 |
| Primary Part Number | S717-104S |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Style Designator | OFFSET MOUNT |
| Material Document and Classification | ASTM A109 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | BPS-C-163 TY1 MFR REF SINGLE MATERIAL RESPONSE CUSHION |
| Material Thickness | 0.0295 INCHES MINIMUM AND 0.0345 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 0.858 INCHES NOMINAL IN |
| Center to Center Distance Between Loop and Mounting Hole | 0.640 INCHES NOMINAL IN |
| Material | RUBBER SILICONE CLASS Q CUSHION |
| Material | STEEL BAND |
| Loop Inside Diameter | 0.407 INCHES MINIMUM AND 0.500 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 |
|---|---|
| S717-104S | Umpco, Inc. Dba Umpco Inc (USA) |
| JM44LC39S104RG | J & M Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| 534CS104 | 5/2 Secondary reference U.S. Government activity |
| BACC10GU104 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-592-3997 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-592-3997 has 2 manufacturer part numbers on file: S717-104S (Umpco, Inc. Dba Umpco Inc), JM44LC39S104RG (J & M Products, Inc).
Key specifications for S717-104S: Style Designator: OFFSET MOUNT; Material Document and Classification: ASTM A109 ASSN STD SINGLE MATERIAL RESPONSE NUT; Material Document and Classification: BPS-C-163 TY1 MFR REF SINGLE MATERIAL RESPONSE CUSHION; Overall Width: 0.590 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN. 9 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.