The Brake Drum, cataloged under National Stock Number 1630-01-063-9637, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is U.s.a. Spares Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-063-9637 |
| Primary Part Number | 516390-1 |
| Item Name | Brake Drum |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | U.s.a. Spares Inc. |
| Status | ACTIVE |
| Adjustment Hole | NOT INCLUDED |
| Balancing Pad | NOT INCLUDED |
| Braking Surface Width | 1.250 INCHES NOMINAL IN |
| Inspection Hole | NOT INCLUDED |
| Overall Outside Diameter | 5.188 INCHES NOMINAL IN |
| Braking Surface Location | INTERNAL |
| Oil Drain Hole | NOT INCLUDED |
| Center Hole Diameter | 0.628 INCHES NOMINAL IN |
| Braking Surface Diameter | 5.000 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| Cooling Fin | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 516390-1 | U.s.a. Spares Inc. (USA) |
| Reference | Meaning |
|---|---|
| 516390-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-01-063-9637 is a Brake Drum, manufactured by U.s.a. Spares Inc., classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-063-9637 has 1 manufacturer part number on file: 516390-1 (U.s.a. Spares Inc.).
Key specifications for 516390-1: Adjustment Hole: NOT INCLUDED; Balancing Pad: NOT INCLUDED; Braking Surface Width: 1.250 INCHES NOMINAL IN; Inspection Hole: NOT INCLUDED. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1630-01-063-9637 has DEMIL Code Q. 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.