The Seat,valve, cataloged under National Stock Number 4820-00-913-1602, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Acme Products & Engineering Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-913-1602 |
| Primary Part Number | NL-382-1-AP |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Acme Products & Engineering Inc |
| Status | ACTIVE |
| Thread Length | 0.562 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | PLAIN THREADED |
| Body Inside Diameter | 2.000 INCHES NOMINAL IN |
| Nominal Thread Size | 2.750 INCHES SINGLE THREADED PORTION IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 12 SINGLE THREADED PORTION |
| Material | STEEL BODY |
| Material | COBALT ALLOY FACE |
| Seat Angle in Deg | 45.000 NOMINAL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Seating Surface Shape | ANGULAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| NL-382-1-AP | Acme Products & Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| NL0382-1 | 3/9 Design control — primary reference U.S. Government activity |
| NL-382-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-00-913-1602 is a Seat,valve, manufactured by Acme Products & Engineering Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-913-1602 has 1 manufacturer part number on file: NL-382-1-AP (Acme Products & Engineering Inc).
Key specifications for NL-382-1-AP: Overall Height: 1.500 INCHES NOMINAL IN; Thread Length: 0.562 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: PLAIN THREADED; Body Inside Diameter: 2.000 INCHES NOMINAL IN. 11 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.
NSN 4820-00-913-1602 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.