The Valve,pressure Rele, cataloged under National Stock Number 1630-00-809-1949, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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
Valve,pressure Rele
FSC / FSG
1630 — Aircraft Wheel and Brake Systems (FSG 16)
Technical Specifications
Parameter
Value
NSN
1630-00-809-1949
Item Name
Valve,pressure Rele
FSC / FSG
1630 / 16 — Aircraft Wheel and Brake Systems
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items3
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6850-01-232-621783804POSSIBLE MATCH
CLEANING COMPOUND,OPTICAL LENS
Possible match (shared part number)Square D Co Monroe Plant
5975-01-333-600483804POSSIBLE MATCH
RACK,CABLE,UNDERGROUND
Possible match (shared part number)Condux International Inc.
3040-01-343-365783804POSSIBLE MATCH
SHAFT,SHOULDERED
Possible match (shared part number)Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
83804
3/2Design control — primary reference
U.S. Government activity
Related Parts
6850-01-232-6217POSSIBLE MATCH
CLEANING COMPOUND,OPTICAL LENS
83804
5975-01-333-6004POSSIBLE MATCH
RACK,CABLE,UNDERGROUND
83804
3040-01-343-3657POSSIBLE MATCH
SHAFT,SHOULDERED
83804
Frequently Asked Questions
What is NSN 1630-00-809-1949?
NSN 1630-00-809-1949 is a Valve,pressure Rele, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
What NSN replaces 1630-00-809-1949?
3 possible matches (shared part number, not a government interchangeability claim): 6850-01-232-6217, 5975-01-333-6004, 3040-01-343-3657. Verify interchangeability with system specifications before substitution.
Is NSN 1630-00-809-1949 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 1630-00-809-1949?
NSN 1630-00-809-1949 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.