The Popoffvalve, cataloged under National Stock Number 4820-01-553-2037, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Allen Aircraft Products Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-553-2037 |
| Primary Part Number | 57-7100 |
| Item Name | Popoffvalve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Allen Aircraft Products Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 57-7100 PRIMARY | Allen Aircraft Products Inc (USA) |
NSN 4820-01-553-2037 is a Popoffvalve, manufactured by Allen Aircraft Products Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-553-2037 has 1 cross-referenced part number: 57-7100 (Allen Aircraft Products Inc).
There are 2 known substitutes for 4820-01-553-2037: 6630-00-098-3085, 5945-00-864-4661. Verify interchangeability with system specifications before substitution.
Key specifications for 57-7100: End Item Identification: MQ-9 REAPER. 1 total characteristics are documented in the Federal Logistics Information System.