The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-00-545-2440, 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 Honeywell International Inc. Div Aerospace - Torrance. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-545-2440 |
| Primary Part Number | 253057 |
| Item Name | Fixture,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Functional Description | USED IN SUPPORT ON P/N 256878 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 253057 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| 259285 | Honeywell International Inc. Div Aerospace - Torrance (USA) |
| Reference | Meaning |
|---|---|
| 259285 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
| 253057 | 5/9 Secondary reference Alliedsignal Inc Dba Allied-Signal Aerospace Co |
NSN 4920-00-545-2440 is a Fixture,aircraft Maintenance, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-545-2440 has 2 manufacturer part numbers on file: 253057 (Honeywell International Inc. Div Aerospace - Torrance), 259285 (Honeywell International Inc. Div Aerospace - Torrance).
4 possible matches (shared part number, not a government interchangeability claim): 5962-01-134-5378, 2990-01-360-3415, 6020-01-388-6623. Verify interchangeability with system specifications before substitution.
Key specifications for 253057: Functional Description: USED IN SUPPORT ON P/N 256878; End Item Identification: AUXILARY PANEL P/N 546443. 1 specification is 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.
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.