The Valve Assembly,purg, cataloged under National Stock Number 4820-01-287-2146, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Us Army Aviation and Missile Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-287-2146 |
| Primary Part Number | 13251637 |
| Item Name | Valve Assembly,purg |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| General Characteristics Item Description | ASSY CONSISTS OF SHLD,RELIEF VALVE 1;VALVE,RELIEF 1 |
| Test Data Document | 18876-13251637 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 13251637 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 13251637 | 5/1 Secondary reference Zevco Inc |
| 10055024 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4820-01-287-2146 is a Valve Assembly,purg, manufactured by Us Army Aviation and Missile Command, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-287-2146 has 1 manufacturer part number on file: 13251637 (Us Army Aviation and Missile Command).
Key specifications for 13251637: General Characteristics Item Description: ASSY CONSISTS OF SHLD,RELIEF VALVE 1;VALVE,RELIEF 1; Test Data Document: 18876-13251637 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING); End Item Identification: 5855-01-245-8689. 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.