The Piston,compressor, cataloged under National Stock Number 4130-00-894-8045, is classified within Federal Supply Class 4130 (Refrigeration and Air Conditioning Components) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters. Government technical data includes 2 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4130-00-894-8045 |
| Primary Part Number | PST18 |
| Item Name | Piston,compressor |
| FSC / FSG | 4130 / 41 — Refrigeration and Air Conditioning Components |
| Manufacturer | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| Status | ACTIVE |
| Diameter | 3.660 INCHES NOMINAL IN |
| Material | ALUMINUM |
| 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 |
|---|---|
| PST18 PRIMARY | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| Reference | Meaning |
|---|---|
| PST18 | 5/9 Secondary reference Chesapeake Associated Enterprises |
| PST-18 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 4330-2534 | 5/9 Secondary reference Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| PST18 | 5/9 Secondary reference Fusco Industries Inc |
NSN 4130-00-894-8045 is a Piston,compressor, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 4130, Refrigeration and Air Conditioning Components. Status: active.
NSN 4130-00-894-8045 has 1 manufacturer part number on file: PST18 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).
Key specifications for PST18: Diameter: 3.660 INCHES NOMINAL IN; Material: ALUMINUM. 2 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.