The Seat,valve, cataloged under National Stock Number 4820-01-122-0882, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-122-0882 |
| Primary Part Number | NB-0102H-0500-18 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.313 INCHES NOMINAL IN |
| Flange Diameter | 6.000 INCHES NOMINAL IN |
| Thread Length | 0.296 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | THREADED FLANGED |
| Body Inside Diameter | 4.938 INCHES NOMINAL IN |
| Nominal Thread Size | 5.625 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 0.500 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 12 SINGLE THREADED PORTION |
| Material | STEEL OVERALL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| NB-0102H-0500-18 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NB-0102H-0500-18 | 3/9 Design control — primary reference Pima Valve, Llc |
| NB-0102-H-0500-2 | 5/9 Secondary reference Pima Valve, Llc |
NSN 4820-01-122-0882 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-122-0882 has 1 manufacturer part number on file: NB-0102H-0500-18 (Hunt Valve Company, Inc.).
Key specifications for NB-0102H-0500-18: Flange Seat to Disk End Height: 0.313 INCHES NOMINAL IN; Flange Diameter: 6.000 INCHES NOMINAL IN; Thread Length: 0.296 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: THREADED FLANGED. 12 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.