The Disk,valve, cataloged under National Stock Number 4810-00-007-3429, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Aar Allen Services, Inc Dba Aar Component Services Wellington. 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. 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 | 4810-00-007-3429 |
| Primary Part Number | 502302 |
| Item Name | Disk,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Aar Allen Services, Inc Dba Aar Component Services Wellington |
| Status | ACTIVE |
| Style Designator | BUTTERFLY |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 502302 PRIMARY | Aar Allen Services, Inc Dba Aar Component Services Wellington (USA) |
NSN 4810-00-007-3429 is a Disk,valve, manufactured by Aar Allen Services, Inc Dba Aar Component Services Wellington, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-00-007-3429 has 1 manufacturer part number on file: 502302 (Aar Allen Services, Inc Dba Aar Component Services Wellington).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-256-0460. Verify interchangeability with system specifications before substitution.
Key specifications for 502302: Style Designator: BUTTERFLY; Special Features: SURFACE,PASSIVATE PER QQ-P-35,HEAT TREAT 1100 PER MIL-H-6875; 1.958 IN. MIN,1.963 IN. MAX DIA,7 HOLES 0.096 IN. MIN,0.099 IN. MAX DIA,COUNTERSUNK 99 TO 101 DEG,0.160 IN. TO 0.170 IN. DIA,6 HOLES EQUALLY SPACED ON 1.437 IN. BOLT CIRCLE,1 HOLES CENTER OFDISK,1/4-36 SAE SERRATION 0.200 IN. D,CHAMFER 43 TO 47 DEG 0.010 IN. TO 0.030 IN. D,TOP SIDE OF DISK IN; Material: STEEL CORROSION RESISTING. 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.