The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-00-137-6907, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Goodrich Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-137-6907 |
| Primary Part Number | 2559233 |
| Item Name | Fixture,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| Reference Data and Literature | TO 4SA2-36-3 |
| Functional Description | USED TO HOLD STEERING UNIT WHILE TIGHTENING END CAPS AND DRILLING ACTUATING ARM SCREW FOR LOCKING PIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2559233 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 2559233 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 2559233 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 2559233 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) |
NSN 4920-00-137-6907 is a Fixture,aircraft Maintenance, manufactured by Goodrich Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-137-6907 has 1 manufacturer part number on file: 2559233 (Goodrich Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5841-01-116-0959. Verify interchangeability with system specifications before substitution.
Key specifications for 2559233: Reference Data and Literature: TO 4SA2-36-3; Special Features: TO NAME: FIXTURE, CYLINDER AND VALVE ASSEMBLY HOLDING; Functional Description: USED TO HOLD STEERING UNIT WHILE TIGHTENING END CAPS AND DRILLING ACTUATING ARM SCREW FOR LOCKING PIN; End Item Identification: AIRCRAFT STEERING UNIT CYLINDER AND VALVE ASSEMBLY 2570949 AND 2577842. 2 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 4920-00-137-6907 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.