The Plug,relief,pressure,valve, cataloged under National Stock Number 4820-01-155-0302, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Cross Mfg Co Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-155-0302 |
| Primary Part Number | 1R0037 |
| Item Name | Plug,relief,pressure,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Cross Mfg Co Inc |
| Status | ACTIVE |
| General Characteristics Item Description | NON-ADJUSTABLE RELIEF; 1500.0 TO 3000.0 PSI |
| 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 |
|---|---|
| 2AW294 | Oshkosh Defense Llc (USA) |
| 1R0037 PRIMARY | Cross Mfg Co Inc (USA) |
| BA15AE00D2 NO 4 | Cross Mfg Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 1308620 | D/9 Drawing number reference only Oshkosh Corp |
| 1308620 NO 4 | 5/9 Secondary reference Oshkosh Defense Llc |
| 2AW294 | 5/9 Secondary reference Oshkosh Corp |
| BA15AE00D2 | D/9 Drawing number reference only Cross Mfg Co Inc |
| 1308620 NO 4 | 5/9 Secondary reference Oshkosh Corp |
NSN 4820-01-155-0302 is a Plug,relief,pressure,valve, manufactured by Cross Mfg Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-155-0302 has 3 manufacturer part numbers on file: 2AW294 (Oshkosh Defense Llc), 1R0037 (Cross Mfg Co Inc), BA15AE00D2 NO 4 (Cross Mfg Co Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-170-9751. Verify interchangeability with system specifications before substitution.
Key specifications for 1R0037: General Characteristics Item Description: NON-ADJUSTABLE RELIEF; 1500.0 TO 3000.0 PSI. 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.