The Piston,valve, cataloged under National Stock Number 4810-01-224-0854, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-224-0854 |
| Primary Part Number | 8514133 |
| Item Name | Piston,valve |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| 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 | F |
| Part Number | Manufacturer |
|---|---|
| 8514133 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
NSN 4810-01-224-0854 is a Piston,valve, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-224-0854 has 1 manufacturer part number on file: 8514133 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 8514133: Special Features: 3.075 IN. DIA;0.076 IN W.O-RING GROOVE;2.824 IN. DIA I/DIA;T.O. 9P2-3-1-103;T.O. NAME PISTON-ASSY OF BLEED ACTUATOR. FAILURE COULD CAUSE CATASTROPHIC OR CRITICAL FAILURE RESULTING IN THE LOSS OF OR SERIOUS DAMAGE TO THE AIRCRAFT OR WEAPON SYSTEM OR AN UNCOMMANDED ENGINE SHUTDOWN THAT JEOPARDIZES SAFETY IN; End Item Identification: COMPRESSOR,BLEED,ACTUATOR,TF-33 ENG,PRATT AND WHITNEY. 0 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.
NSN 4810-01-224-0854 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.