The Coupling,clamp,grooved, cataloged under National Stock Number 5342-00-056-2172, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-056-2172 |
| Primary Part Number | 10931280 |
| Item Name | Coupling,clamp,grooved |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Treatment Document and Classification | TT-C-490 TYPE 1 OR TYPE 2 FED SPEC 1ST TREATMENT RESPONSE OR TT-C-490 TYPE 1 OR TYPE 2 FED SPEC 4TH TREATMENT RESPONSE OR TT-P-659 FED SPEC 2ND TREATMENT RESPONSE OR TT-P-659 FED SPEC 5TH TREATMENT RESPONSE OR TT-E-529 FED SPEC 3RD TREATMENT RESPONSE OR TT-E-529 FED SPEC 6TH TREATMENT RESPONSE OVERALL |
| Band Width | 0.750 INCHES NOMINAL IN |
| Retainer Width | 0.375 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | GROOVED RETAINER |
| Band Thickness | 0.062 INCHES NOMINAL IN |
| Sealing Inner Liner | NOT INCLUDED |
| Retainer Thickness | 0.062 INCHES NOMINAL IN |
| Inside Diameter | 10.375 INCHES NOMINAL IN |
| Height | 0.250 INCHES NOMINAL IN |
| Nut Type | SELF-LOCKING HEXAGON |
| Segment Quantity | 2 |
| Surface Treatment | PHOSPHATE ZINC AND PRIMER AND ENAMEL SEMIGLOSS OR PHOSPHATE IRON AND PRIMER AND ENAMEL SEMIGLOSS OVERALL |
| Material | STEEL OVERALL |
| Groove Width | 0.250 INCHES NOMINAL IN |
| Latch Style | SINGLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10931280 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5342-00-056-2172 is a Coupling,clamp,grooved, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-056-2172 has 1 manufacturer part number on file: 10931280 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 10931280: Surface Treatment Document and Classification: TT-C-490 TYPE 1 OR TYPE 2 FED SPEC 1ST TREATMENT RESPONSE OR TT-C-490 TYPE 1 OR TYPE 2 FED SPEC 4TH TREATMENT RESPONSE OR TT-P-659 FED SPEC 2ND TREATMENT RESPONSE OR TT-P-659 FED SPEC 5TH TREATMENT RESPONSE OR TT-E-529 FED SPEC 3RD TREATMENT RESPONSE OR TT-E-529 FED SPEC 6TH TREATMENT RESPONSE OVERALL; Band Width: 0.750 INCHES NOMINAL IN; Retainer Width: 0.375 INCHES NOMINAL IN; Cross-Sectional Shape Style: GROOVED RETAINER. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.