The Coupling,clamp,pipe, cataloged under National Stock Number 4730-01-245-3956, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-245-3956 |
| Primary Part Number | 10871852-4 |
| Item Name | Coupling,clamp,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Pipe Size Accommodated | 2.000 INCHES NOMINAL IN |
| End Type for Which Designed | GROOVED |
| Specification/standard Data | 81349-MIL-C-10387 GOVERNMENT SPECIFICATION |
| Departure From Cited Document | MODIFIED BY DIMENSIONS,WIDTH OF NUT ACROSS FLAT,WORKING PRESSURE,FINAL FINISH,AND GASKET MUST BE SUITABLE FOR REPEATED USE W/FOOD |
| Nondefinitive Spec/std Data | 2 MATERIAL AND 2 SIZE |
| Working Pressure Rating | 500.000 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Segment Quantity | 2 |
| Material | IRON MALLEABLE HOUSING |
| Material | STEEL GASKET |
| 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 |
|---|---|
| 10871852-4 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 10871852 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 4730-01-245-3956 is a Coupling,clamp,pipe, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-245-3956 has 1 manufacturer part number on file: 10871852-4 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-342-4139. Verify interchangeability with system specifications before substitution.
Key specifications for 10871852-4: Pipe Size Accommodated: 2.000 INCHES NOMINAL IN; End Type for Which Designed: GROOVED; Specification/standard Data: 81349-MIL-C-10387 GOVERNMENT SPECIFICATION; Departure From Cited Document: MODIFIED BY DIMENSIONS,WIDTH OF NUT ACROSS FLAT,WORKING PRESSURE,FINAL FINISH,AND GASKET MUST BE SUITABLE FOR REPEATED USE W/FOOD. 9 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.