The Piston,hydraulic Brake, cataloged under National Stock Number 1630-01-483-4804, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Sielman S.a.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-483-4804 |
| Primary Part Number | 2126000 |
| Item Name | Piston,hydraulic Brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Sielman S.a. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2126000 | Sielman S.a. (GRC) |
| Reference | Meaning |
|---|---|
| 74-926 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-01-483-4804 is a Piston,hydraulic Brake, manufactured by Sielman S.a., classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-483-4804 has 1 manufacturer part number on file: 2126000 (Sielman S.a.).
1 possible match (shared part number, not a government interchangeability claim): 7021-01-653-8952. Verify interchangeability with system specifications before substitution.
Key specifications for 2126000: End Item Identification: T-6 JOINT PRIMARY AIRCRAFT TRAINER (J-PAT). 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.