The Valve,safety Relief, cataloged under National Stock Number 4820-01-116-7492, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-116-7492 |
| Primary Part Number | A2898 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Criticality Code Justification | ZZZY |
| Style Designator | ANGLE FLANGED ENDS |
| Valve Size | 1.500 INCHES IN |
| Second Connection Face to Centerline Distance | 3.625 INCHES IN |
| First Connection Face to Centerline Distance | 4.125 INCHES IN |
| Material | NICKEL ALLOY STEM |
| Material | BRONZE BODY |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| A2898 | Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA) |
| DA-40G SET 60PSI CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| DA-40G SET60PSI | 3/1 Design control — primary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| A2898 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| DA-40G SET60PSI | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
NSN 4820-01-116-7492 is a Valve,safety Relief, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-116-7492 has 2 manufacturer part numbers on file: A2898 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), DA-40G SET 60PSI CP (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-223-4599. Verify interchangeability with system specifications before substitution.
Key specifications for A2898: Flow Control Device: DISK; Criticality Code Justification: ZZZY; Style Designator: ANGLE FLANGED ENDS; Valve Size: 1.500 INCHES IN. 10 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.