The Seat,valve, cataloged under National Stock Number 4810-01-558-4049, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4810-01-558-4049 |
| Primary Part Number | 999-48-4IN-PC6 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Hunt Valve Company, Inc. |
| Status | ACTIVE |
| Material Document and Classification | ASTM A494 GR -30H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| 999-48-4IN-PC6 PRIMARY | Hunt Valve Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 999-48-4IN-PC6 | 3/9 Design control — primary reference Pima Valve, Llc |
| 999-48 | D/9 Drawing number reference only Pima Valve, Llc |
NSN 4810-01-558-4049 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-558-4049 has 1 manufacturer part number on file: 999-48-4IN-PC6 (Hunt Valve Company, Inc.).
Key specifications for 999-48-4IN-PC6: Material Document and Classification: ASTM A494 GR -30H ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: USED ON 4 IN STOP-CHECK VALVE IN; End Item Identification: 4810-01-558-3868; LSD-43; Material: NICKEL ALLOY OVERALL. 2 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.