The Head,safety,pressure Relief, cataloged under National Stock Number 4820-01-034-8280, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fike Corporation. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-034-8280 |
| Primary Part Number | 12758101 |
| Item Name | Head,safety,pressure Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fike Corporation |
| Status | ACTIVE |
| Burst Pressure | 20.0 PRESSURE POUNDS PER SQUARE INCH GAGE |
| Head Type | UNION |
| End Connection Type | THREADED |
| Burst Temperature | 72.0 FAHRENHEIT DEGF |
| Head Size | 2.000 INCHES IN |
| Head 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 |
|---|---|
| 12758101 PRIMARY | Fike Corporation (USA) |
| Reference | Meaning |
|---|---|
| BU2-AL20-72 | 5/9 Secondary reference Fike Corporation |
| 9926601 | 5/9 Secondary reference Fike Corporation |
NSN 4820-01-034-8280 is a Head,safety,pressure Relief, manufactured by Fike Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-034-8280 has 1 manufacturer part number on file: 12758101 (Fike Corporation).
Key specifications for 12758101: Burst Pressure: 20.0 PRESSURE POUNDS PER SQUARE INCH GAGE; Head Type: UNION; End Connection Type: THREADED; Burst Temperature: 72.0 FAHRENHEIT DEGF. 6 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.