The Clamp,loop, cataloged under National Stock Number 5340-00-485-6639, 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 10 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-00-485-6639 |
| Primary Part Number | S500-13 |
| 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 MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Material Thickness | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN |
| Distance From Loop Center to Tongue End | 1.060 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Specification/standard Data | 81205-BACC10EP MANUFACTURERS SPECIFICATION |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 0.847 INCHES MINIMUM AND 0.907 INCHES MAXIMUM IN |
| Material | PLASTIC TETRAFLUOROETHYLENE CUSHION |
| Material | STEEL CORROSION RESISTING BAND |
| Loop Inside Diameter | 0.812 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 |
| Part Number | Manufacturer |
|---|---|
| S500-13 | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| 4040SH13AL | 5/9 Secondary reference Exacto Industries Inc |
| 490-13R | 5/2 Secondary reference U.S. Government activity |
| JP0030-13 | 5/9 Secondary reference Chromalloy Gas Turbine Llc Div Chromalloy Connecticut |
| BACC10EP13 | 3/2 Design control — primary reference U.S. Government activity |
| BACC10DDC13 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| TA9C18H13AC | 5/2 Secondary reference U.S. Government activity |
| S300-13 | 5/9 Secondary reference Umpco, Inc. Dba Umpco Inc |
NSN 5340-00-485-6639 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-485-6639 has 1 manufacturer part number on file: S500-13 (Umpco, Inc. Dba Umpco Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-537-3091, 5330-01-701-7397. Verify interchangeability with system specifications before substitution.
Key specifications for S500-13: Style Designator: SINGLE LOOP; Diameter: 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN; Overall Width: 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN; Material Thickness: 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM IN. 10 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.