The Piston Assembly,valve Bleed Air, cataloged under National Stock Number 4810-01-213-2139, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-213-2139 |
| Primary Part Number | PYLB-173 |
| Item Name | Piston Assembly,valve Bleed Air |
| 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 |
|---|---|
| PYLB-173 PRIMARY | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
NSN 4810-01-213-2139 is a Piston Assembly,valve Bleed Air, manufactured by Ge Aviation Systems Llc Dba Ge Aviation Systems Llc, classified under FSC 4810, Valves, Powered. Status: active.
NSN 4810-01-213-2139 has 1 manufacturer part number on file: PYLB-173 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
Key specifications for PYLB-173: End Item Identification: AIRCRAFT MODEL C-2A A. 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 4810-01-213-2139 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.