The Wheel,landing Gear, cataloged under National Stock Number 1630-00-253-0856, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Goodrich Corporation. Government technical data includes 15 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 | 1630-00-253-0856 |
| Primary Part Number | 3-1A1 |
| Item Name | Wheel,landing Gear |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Bearing Location | INBOARD HALF FIRST POSITION |
| Bearing Location | OUTBOARD HALF SECOND POSITION |
| Brake Drum | INCLUDED |
| Bearing Quantity | 1 FIRST POSITION |
| Bearing Quantity | 1 SECOND POSITION |
| Tire Size | 27 |
| Bearing Inside Diameter | 1.500 INCHES NOMINAL SECOND POSITION IN |
| Bearing Inside Diameter | 2.000 INCHES NOMINAL FIRST POSITION IN |
| Tire Design Type | SMOOTH CONTOUR |
| Brake | NOT INCLUDED |
| Braking Feature for Which Designed | INTERNALLY MOUNTED BRAKES |
| Bearing Type | TAPERED ROLLER FIRST POSITION |
| Bearing Type | TAPERED ROLLER SECOND POSITION |
| Material | ALUMINUM ALLOY |
| Brake Drum Quantity | 1 |
| 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 |
|---|---|
| 3-1A1 PRIMARY | Goodrich Corporation (USA) |
NSN 1630-00-253-0856 is a Wheel,landing Gear, manufactured by Goodrich Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-253-0856 has 1 manufacturer part number on file: 3-1A1 (Goodrich Corporation).
Key specifications for 3-1A1: Bearing Location: INBOARD HALF FIRST POSITION; Bearing Location: OUTBOARD HALF SECOND POSITION; Brake Drum: INCLUDED; Bearing Quantity: 1 FIRST POSITION. 15 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 1630-00-253-0856 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.