The Clamp,loop, cataloged under National Stock Number 5340-00-561-7257, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-561-7257 |
| Primary Part Number | BACC10HS12 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Style Designator | SINGLE LOOP |
| Diameter | 0.199 INCHES NOMINAL IN |
| Material Thickness | 0.051 INCHES NOMINAL IN |
| Distance From Loop Center to Tongue End | 1.053 INCHES MINIMUM AND 1.073 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACC10EP MANUFACTURERS SPECIFICATION |
| Surface Treatment | PASSIVATE BAND |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.840 INCHES MINIMUM AND 0.850 INCHES MAXIMUM IN |
| Material | PLASTIC TETRAFLUOROETHYLENE CUSHION |
| Material | STEEL CORROSION RESISTING BAND |
| Loop Inside Diameter | 0.750 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 |
|---|---|
| BACC10HS12 | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| BACC10DD-C12 | 5/2 Secondary reference U.S. Government activity |
| BACC10HS12 | 3/2 Design control — primary reference U.S. Government activity |
| TA9C18H12AR | 5/2 Secondary reference U.S. Government activity |
| TA9C18H12AT | 5/2 Secondary reference U.S. Government activity |
| 463SS12 | 5/2 Secondary reference U.S. Government activity |
| JP0029SHR12 | 5/9 Secondary reference Chromalloy Gas Turbine Llc Div Chromalloy Connecticut |
NSN 5340-00-561-7257 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-561-7257 has 1 manufacturer part number on file: BACC10HS12 (Umpco, Inc. Dba Umpco Inc).
Key specifications for BACC10HS12: Style Designator: SINGLE LOOP; Diameter: 0.199 INCHES NOMINAL IN; Overall Width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Material Thickness: 0.051 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.