The Support,line Block, cataloged under National Stock Number 1630-01-190-4863, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Ace Precision Industries Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-190-4863 |
| Primary Part Number | 1881-604A02 |
| Item Name | Support,line Block |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Ace Precision Industries Inc |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT BRAKE SYSTEM |
| 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 |
|---|---|
| 1881-604A02 | Goodrich Corporation (USA) |
| 1881-604A02 PRIMARY | Ace Precision Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 1881-604A02 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 1881-604-02 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 1630-01-190-4863 is a Support,line Block, manufactured by Ace Precision Industries Inc, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-190-4863 has 2 manufacturer part numbers on file: 1881-604A02 (Goodrich Corporation), 1881-604A02 (Ace Precision Industries Inc).
Key specifications for 1881-604A02: FSC Application Data: AIRCRAFT BRAKE SYSTEM; End Item Identification: B-1B AIRCRAFT. 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 1630-01-190-4863 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.