The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-01-178-3434, 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 Eaton Corporation Div Fed. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-178-3434 |
| Primary Part Number | 85149 |
| Item Name | Fixture,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Eaton Corporation Div Fed |
| Status | ACTIVE |
| Functional Description | USED DURING AIRCRAFT MAINTENANCE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 85149 PRIMARY | Eaton Corporation Div Fed (USA) |
| Reference | Meaning |
|---|---|
| R-TBD-809 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 4920-01-178-3434 is a Fixture,aircraft Maintenance, manufactured by Eaton Corporation Div Fed, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-178-3434 has 1 manufacturer part number on file: 85149 (Eaton Corporation Div Fed).
Key specifications for 85149: Special Features: C/O COVER PLATE; SEAL; CONNECTED TO REGULATORS OUTLET MALE FLANGE BY A COUPLING; FITTING TO INTERFACE THE FIXTURE TO PNEUMATIC COMPONENT TEST STAND; Functional Description: USED DURING AIRCRAFT MAINTENANCE; End Item Identification: B-1B ACFT AGE.; ENGINE BLEED AIR DISTRIBUTION SYSTEM. 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.