The Disc,brake, cataloged under National Stock Number 1630-01-175-4446, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-175-4446 |
| Primary Part Number | 2045681-2 |
| Item Name | Disc,brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Moog Military Aircraft Llc |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2045681-2 PRIMARY | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 2045681-2 | 5/9 Secondary reference Honeywell International Inc. Div Aerospace - Torrance |
| 2045681-2 | C/1 Advisory reference — outside the item-of-supply concept Be Aerospace Consumables Management Dba Consumables Solutions Div Consumables Solutions |
| 10106045 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 1630-01-175-4446 is a Disc,brake, manufactured by Moog Military Aircraft Llc, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-175-4446 has 1 manufacturer part number on file: 2045681-2 (Moog Military Aircraft Llc).
Key specifications for 2045681-2: Special Features: PER QQ-A-225/9; ANODIZED; 1.665 IN. DIA.; 0.052 IN. THK.; INTERNALLY SPLINED; FSC APPLICATION DATA:TRANSDUCER,MOTIONAL PICK-UP IN; End Item Identification: AIRCRAFT MODEL F-18; Material: ALUMINUM ALLOY. 1 specification is 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 1630-01-175-4446 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.