The Retainer Ring,brake,aircraft, cataloged under National Stock Number 1630-00-045-9439, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Meggitt Aircraft Braking Systems Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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 | 1630-00-045-9439 |
| Primary Part Number | 9525445 |
| Item Name | Retainer Ring,brake,aircraft |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINIUM PER 2024 T4,ANODIZE,1.077 IN. OD,0.750 IN. ID IN |
| Reference Data and Literature | T.O. 4BA8-23-3 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9525445 PRIMARY | Meggitt Aircraft Braking Systems Corporation (USA) |
NSN 1630-00-045-9439 is a Retainer Ring,brake,aircraft, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-045-9439 has 1 manufacturer part number on file: 9525445 (Meggitt Aircraft Braking Systems Corporation).
Key specifications for 9525445: General Characteristics Item Description: ALUMINIUM PER 2024 T4,ANODIZE,1.077 IN. OD,0.750 IN. ID IN; Reference Data and Literature: T.O. 4BA8-23-3; End Item Identification: F-111ACFT. 2 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.
NSN 1630-00-045-9439 has DEMIL Code B. 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.