NSN 4810-00-221-8900 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-221-8900. Manufacturer of record part number: 21745.
Also searched as4810-00-221-8900 ·
4810002218900 ·
NIIN 002218900 ·
00-221-8900 ·
FSC 4810 Valves, Powered · CAGE 16780 · 21745
The Body and Spool Asse, cataloged under National Stock Number 4810-00-221-8900, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. The manufacturer of record is Eaton Aerospace Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Body and Spool Asse
FSC / FSG
4810 — Valves, Powered (FSG 48)
Manufacturers
Eaton Aerospace Llc (CAGE 16780)
Technical Specifications
Parameter
Value
NSN
4810-00-221-8900
Primary Part Number
21745
Item Name
Body and Spool Asse
FSC / FSG
4810 / 48 — Valves, Powered
Manufacturer
Eaton Aerospace Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-00-239-3047332-1060-070POSSIBLE MATCH
REDUCER,PIPE
Possible match (shared part number)Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5905-00-471-6256POSSIBLE MATCH
RESISTOR,FIXED,FILM
Possible match (shared part number)
5305-00-922-398721745POSSIBLE MATCH
SCREW,CAP,SOCKET HEAD
Possible match (shared part number)Mason Electric Co. Dba Mason Controls
NSN 4810-00-221-8900 is a Body and Spool Asse, manufactured by Eaton Aerospace Llc, classified under FSC 4810, Valves, Powered. Status: active.
What part numbers are listed for NSN 4810-00-221-8900?
NSN 4810-00-221-8900 has 1 manufacturer part number on file: 21745 (Eaton Aerospace Llc).
What NSN replaces 4810-00-221-8900?
4 possible matches (shared part number, not a government interchangeability claim): 4730-00-239-3047, 5905-00-471-6256, 5305-00-922-3987. Verify interchangeability with system specifications before substitution.
Is NSN 4810-00-221-8900 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.