The Cushion Valve, cataloged under National Stock Number 4120-00-103-8656, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Cushion Valve |
| FSC / FSG | 4120 — Air Conditioning Equipment (FSG 41) |
| Manufacturers | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (CAGE 60532) |
| Parameter | Value |
|---|---|
| NSN | 4120-00-103-8656 |
| Primary Part Number | CUS00031 |
| Item Name | Cushion Valve |
| FSC / FSG | 4120 / 41 — Air Conditioning Equipment |
| Manufacturer | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| CUS00031 PRIMARY | Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters (USA) |
| Reference | Meaning |
|---|---|
| CUS8 | 5/9 Secondary reference Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters |
NSN 4120-00-103-8656 is a Cushion Valve, manufactured by Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters, classified under FSC 4120, Air Conditioning Equipment. Status: active.
NSN 4120-00-103-8656 has 1 manufacturer part number on file: CUS00031 (Trane U.s. Inc. Dba the Trane Co Div Trane Headquarters).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-140-8059. Verify interchangeability with system specifications before substitution.
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.