The Pin,piston, cataloged under National Stock Number 4130-01-340-1928, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4130-01-340-1928 |
| Item Name | Pin,piston |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 21509 | 3/2 Design control — primary reference U.S. Government activity |
| 21509 | 5/9 Secondary reference Tecumseh Products Company Llc Div Tecumseh Compressor Co. Llc |
NSN 4130-01-340-1928 is a Pin,piston, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5120-01-430-8285. Verify interchangeability with system specifications before substitution.
Key specifications for 4130-01-340-1928: Material: STEEL. 1 specification is 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.