The Seat,valve, cataloged under National Stock Number 4820-01-137-5346, 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 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-137-5346 |
| Primary Part Number | VA-1998 PIECE 60 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Body Outside Diameter | 8.000 INCHES NOMINAL IN |
| Taper Minor Diameter | 6.000 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Taper Major Diameter | 7.297 INCHES NOMINAL IN |
| Body Inside Diameter | 6.000 INCHES NOMINAL IN |
| Taper Length | 0.656 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| 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 |
|---|---|
| VA-1998 PIECE 60 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| VA-1998 PIECE 60 | 5/9 Secondary reference Morland Valve Co Inc Sub of Smith Valve Corp |
| VA-1998 PIECE 6 | C/1 Advisory reference — outside the item-of-supply concept Morland Valve Co Inc Sub of Smith Valve Corp |
NSN 4820-01-137-5346 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-137-5346 has 1 manufacturer part number on file: VA-1998 PIECE 60 (Hunt Valve Company, Inc.).
Key specifications for VA-1998 PIECE 60: Overall Height: 0.873 INCHES NOMINAL IN; Body Outside Diameter: 8.000 INCHES NOMINAL IN; Taper Minor Diameter: 6.000 INCHES NOMINAL IN; Style Designator: PLAIN. 8 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.