The Clamp,loop, cataloged under National Stock Number 5340-01-377-1547, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-377-1547 |
| Primary Part Number | S830H32 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-Z-325 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SINGLE LOOP |
| Material Document and Classification | QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 19.05 MILLIMETERS NOMINAL MM |
| Material Thickness | 1.52 MILLIMETERS NOMINAL MM |
| Distance From Loop Center to Tongue End | 48.61 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Tongue Hole Type | ROUND, UNTHREADED |
| Center to Center Distance Between Loop and Mounting Hole | 38.96 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 1008 OVERALL |
| Loop Inside Diameter | 50.8 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| S830H32 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| S630H32 | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| 12419079-007 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12419079 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| 5630H-32 | 5/9 Secondary reference Umpco, Inc. Dba Umpco Inc |
NSN 5340-01-377-1547 is a Clamp,loop, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-377-1547 has 2 manufacturer part numbers on file: S830H32 (Umpco, Inc. Dba Umpco Inc), S630H32 (Umpco, Inc. Dba Umpco Inc).
8 possible matches (shared part number, not a government interchangeability claim): 5340-01-377-2686, 5340-01-377-6171, 5340-01-390-2959. Verify interchangeability with system specifications before substitution.
Key specifications for S830H32: Surface Treatment Document and Classification: QQ-Z-325 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SINGLE LOOP; Material Document and Classification: QQ-S-698 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Diameter: 19.05 MILLIMETERS NOMINAL MM. 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.