The Clamp,loop, cataloged under National Stock Number 5340-00-685-4859, 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 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-685-4859 |
| Primary Part Number | BACC10GE21 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | QQ-S-636,COND 4 FED SPEC SINGLE MATERIAL RESPONSE BAND |
| Diameter | 0.204 INCHES NOMINAL IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.279 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 1.061 INCHES NOMINAL IN |
| Material | GLASS FIBER CUSHION |
| Material | STEEL COMP 1017 BAND |
| Loop Inside Diameter | 1.313 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 |
|---|---|
| BACC10GE21 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| S369WH21 | 5/9 Secondary reference Umpco, Inc. Dba Umpco Inc |
| TA4C81S21 | 5/9 Secondary reference U.S. Government activity |
| TA04C81S21 | 3/2 Design control — primary reference U.S. Government activity |
| 400CS21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-685-4859 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-685-4859 has 1 manufacturer part number on file: BACC10GE21 (Umpco, Inc. Dba Umpco Inc).
Key specifications for BACC10GE21: Style Designator: SINGLE LOOP; Material Document and Classification: QQ-S-636,COND 4 FED SPEC SINGLE MATERIAL RESPONSE BAND; Diameter: 0.204 INCHES NOMINAL IN; Overall Width: 0.500 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.