The Counter,time Change, cataloged under National Stock Number 1630-01-138-0901, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Boeing Distribution Services X, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-138-0901 |
| Primary Part Number | 2607673 |
| Item Name | Counter,time Change |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Boeing Distribution Services X, Inc. |
| Status | ACTIVE |
| Reference Data and Literature | T.O.4W1-1-73 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2607673 | Boeing Distribution Services X, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2607673 | 3/9 Design control — primary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
| 2607673 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-01-138-0901 is a Counter,time Change, manufactured by Boeing Distribution Services X, Inc., classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-138-0901 has 1 manufacturer part number on file: 2607673 (Boeing Distribution Services X, Inc.).
Key specifications for 2607673: Reference Data and Literature: T.O.4W1-1-73; End Item Identification: F-15 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.
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.