The Piston,brake Cylind, cataloged under National Stock Number 1630-00-730-3427, 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Systems) of the Aircraft Components and Accessories group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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
Piston,brake Cylind
FSC / FSG
1630 — Aircraft Wheel and Brake Systems (FSG 16)
Technical Specifications
Parameter
Value
NSN
1630-00-730-3427
Item Name
Piston,brake Cylind
FSC / FSG
1630 / 16 — Aircraft Wheel and Brake Systems
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5120-00-738-052111669POSSIBLE MATCH
SOCKET
Possible match (shared part number)Eaton Corp Dba Eaton Aerospace Jackson
5950-00-786-7830SM-C-586489POSSIBLE MATCH
REACTOR
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2540-01-579-868911669POSSIBLE MATCH
ARM,REARVIEW MIRROR
Possible match (shared part number)Bae Systems Information & Electronic Systems Integration Inc.
6625-01-625-794311669POSSIBLE MATCH
PROBE,TEST
Possible match (shared part number)Faro Technologies Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
11669
3/2Design control — primary reference
U.S. Government activity
Related Parts
5120-00-738-0521POSSIBLE MATCH
SOCKET
11669
5950-00-786-7830POSSIBLE MATCH
REACTOR
SM-C-586489
2540-01-579-8689POSSIBLE MATCH
ARM,REARVIEW MIRROR
11669
6625-01-625-7943POSSIBLE MATCH
PROBE,TEST
11669
Frequently Asked Questions
What is NSN 1630-00-730-3427?
NSN 1630-00-730-3427 is a Piston,brake Cylind, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
What NSN replaces 1630-00-730-3427?
4 possible matches (shared part number, not a government interchangeability claim): 5120-00-738-0521, 5950-00-786-7830, 2540-01-579-8689. Verify interchangeability with system specifications before substitution.
Is NSN 1630-00-730-3427 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 1630-00-730-3427?
NSN 1630-00-730-3427 has DEMIL Code Q. 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.