The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-00-288-4396, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-00-288-4396 |
| Item Name | Fixture,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Nominal Overall Width | 12.000 INCHES IN |
| Nominal Overall Length | 20.000 INCHES IN |
| Reference Data and Literature | TO 1F-15A-4-6 & SERD 1509 A |
| Functional Description | USED AS ALIGNMENT ADAPTER, HUD OPTICS DURING BORESIGHTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 587-102001-21 | 3/9 Design control — primary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
| 587-102001-21 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company Div Defense |
NSN 4920-00-288-4396 is a Fixture,aircraft Maintenance, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-00-288-4396: Nominal Overall Width: 12.000 INCHES IN; Nominal Overall Length: 20.000 INCHES IN; Reference Data and Literature: TO 1F-15A-4-6 & SERD 1509 A; Special Features: COMPANY ITEM NAME-ALIGNMENT ADAPTER, HEAD UP DISPLAY OPTICS; THE ALIGNMENT ADAPTER IS A PRECISION MACHINED DEVICE WHICH INTERFACES WITH THE INSTALLED HUD AND SUPPORTS THE TELESCOPE FROM THE OPTICAL BORESIGHT KIT IN TWOP ANGULAR POSITIONS. 4 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 4920-00-288-4396 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.