The Valve Assembly, cataloged under National Stock Number 4810-00-522-4595, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Ge Aviation Systems Llc Dba Ge Aviation Systems Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve Assembly |
| FSC / FSG | 4810 — Valves, Powered (FSG 48) |
| Manufacturers | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (CAGE 05624) |
| Parameter | Value |
|---|---|
| NSN | 4810-00-522-4595 |
| Primary Part Number | DYLZ3991-2 |
| Item Name | Valve Assembly |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| DYLZ3991-2 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 695316-1 | 7/1 Vendor item drawing reference U.S. Government activity |
| 4810PL1060682 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4810-00-522-4595 is a Valve Assembly, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-522-4595 has 1 manufacturer part number on file: DYLZ3991-2 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 4810-00-682-5374. Verify interchangeability with system specifications before substitution.
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 4810-00-522-4595 has DEMIL Code Q. 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.