The Retainer,seat,valve, cataloged under National Stock Number 4820-01-392-8164, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Morpac Industries, Inc Div Actuator. Government technical data includes 3 specifications, 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. 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 | 4820-01-392-8164 |
| Primary Part Number | 10001 ITEM 3 |
| Item Name | Retainer,seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Morpac Industries, Inc Div Actuator |
| Status | ACTIVE |
| Valve Size for Which Designed | 2.500 INCHES IN |
| Valve Design Control Activity | 66822 |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 10001 ITEM 3 PRIMARY | Morpac Industries, Inc Div Actuator (USA) |
| 40036-1 | Morpac Industries, Inc Div Actuator (USA) |
| 400036 PART 40036-1 | Morpac Industries, Inc Div Actuator (USA) |
NSN 4820-01-392-8164 is a Retainer,seat,valve, manufactured by Morpac Industries, Inc Div Actuator, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-392-8164 has 3 manufacturer part numbers on file: 10001 ITEM 3 (Morpac Industries, Inc Div Actuator), 40036-1 (Morpac Industries, Inc Div Actuator), 400036 PART 40036-1 (Morpac Industries, Inc Div Actuator).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-562-5019. Verify interchangeability with system specifications before substitution.
Key specifications for 10001 ITEM 3: Valve Size for Which Designed: 2.500 INCHES IN; Valve Design Control Activity: 66822; Material: NICKEL ALLOY. 3 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.