The Seat,valve, cataloged under National Stock Number 4810-01-539-8673, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Warren Controls, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-539-8673 |
| Primary Part Number | C1790935-01 |
| Item Name | Seat,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Warren Controls, Inc. |
| Status | ACTIVE |
| Style Designator | PLAIN FLANGED |
| Material Document and Classification | ASTM A479, A312 OR A 240 SST TYPE 316/316L ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| D3230930 ITEM 18 | Warren Controls, Inc. (USA) |
| C1790935-01 PRIMARY | Warren Controls, Inc. (USA) |
| Reference | Meaning |
|---|---|
| D3230930 | D/9 Drawing number reference only Warren Controls, Inc. |
NSN 4810-01-539-8673 is a Seat,valve, manufactured by Warren Controls, Inc., classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-539-8673 has 2 manufacturer part numbers on file: D3230930 ITEM 18 (Warren Controls, Inc.), C1790935-01 (Warren Controls, Inc.).
6 possible matches (shared part number, not a government interchangeability claim): 3120-01-539-8736, 5330-01-540-5260, 5330-01-540-5265. Verify interchangeability with system specifications before substitution.
Key specifications for C1790935-01: Style Designator: PLAIN FLANGED; Material Document and Classification: ASTM A479, A312 OR A 240 SST TYPE 316/316L ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: USED ON 2" GLOBE VALVE P/N D3230930 AND D3120912; End Item Identification: 4810-01-539-8588, 4810-01-539-8616; NEW CONSTRUCTION LCS1. 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.