The Piston,compressor, cataloged under National Stock Number 4310-01-178-5507, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 4 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 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 | 4310-01-178-5507 |
| Primary Part Number | 7034671 |
| Item Name | Piston,compressor |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Surface Finish | FINISHED |
| Diameter | 4.455 INCHES MINIMUM AND 4.465 INCHES MAXIMUM IN |
| Pin Hole Bushing | NOT INCLUDED |
| Material | ALUMINUM ALLOY |
| 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 |
|---|---|
| 7034671 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4310-01-178-5507 is a Piston,compressor, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-178-5507 has 1 manufacturer part number on file: 7034671 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-309-1778. Verify interchangeability with system specifications before substitution.
Key specifications for 7034671: Overall Height: 1.000 INCHES NOMINAL IN; Surface Finish: FINISHED; Diameter: 4.455 INCHES MINIMUM AND 4.465 INCHES MAXIMUM IN; Pin Hole Bushing: NOT INCLUDED. 4 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.