The Seat,valve, cataloged under National Stock Number 4820-01-310-0010, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lexair Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-310-0010 |
| Primary Part Number | 010-935-080-641-002 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lexair Inc |
| Status | ACTIVE |
| Material | NICKEL ALLOY SEAT |
| 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 |
|---|---|
| 010-935-080-641-002 PRIMARY | Lexair Inc (USA) |
| 010-935-080-641-002 | Ja Moody Llc (USA) |
| Reference | Meaning |
|---|---|
| 010 935 080 641 002 | 3/9 Design control — primary reference Emerson Automation Solutions Final Control Us Lp |
| 010-935-080-641 | C/1 Advisory reference — outside the item-of-supply concept Emerson Automation Solutions Final Control Us Lp |
| 010935-080-641-001 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp |
NSN 4820-01-310-0010 is a Seat,valve, manufactured by Lexair Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-310-0010 has 2 manufacturer part numbers on file: 010-935-080-641-002 (Lexair Inc), 010-935-080-641-002 (Ja Moody Llc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-703-3216. Verify interchangeability with system specifications before substitution.
Key specifications for 010-935-080-641-002: Special Features: THE KIT INCLUDES:SEAT, P/N 462 206 080 641 000; INTERMESCENT, P/N 124 248 040 661 001; INJECTION TOOL, P/N 150 900 088 750 092; Material: NICKEL ALLOY SEAT; Seating Surface Shape: FLAT. 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.