The Retainer,disk,valve, cataloged under National Stock Number 4810-01-337-4591, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | Hamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030) |
| Parameter | Value |
|---|---|
| NSN | 4810-01-337-4591 |
| Primary Part Number | SK99931-40 |
| Item Name | Retainer,disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SK99931-40 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4810-01-337-4591 is a Retainer,disk,valve, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-337-4591 has 1 manufacturer part number on file: SK99931-40 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4810-01-337-4591 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.