The Fixture,engine Maintenance,aircr, cataloged under National Stock Number 4920-00-348-6158, 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 Allison Transmission Inc Dba Allison Transmission, Inc. 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. 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 | 4920-00-348-6158 |
| Primary Part Number | 6887814 |
| Item Name | Fixture,engine Maintenance,aircr |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Reference Data and Literature | T.O. 2J-TF41-4 |
| Functional Description | FIXTURE FOR CHECKING INTERNAL CLEARANCE BETWEEN HIGH SPPED GEARBOX AND CENTRIFUGAL ROLLER BEARING |
| 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 |
|---|---|
| 6887814 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
NSN 4920-00-348-6158 is a Fixture,engine Maintenance,aircr, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-348-6158 has 1 manufacturer part number on file: 6887814 (Allison Transmission Inc Dba Allison Transmission, Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-415-4364. Verify interchangeability with system specifications before substitution.
Key specifications for 6887814: Reference Data and Literature: T.O. 2J-TF41-4; Special Features: NAME ASSIGNED BY CONTROLING AUTHORITY:ARBOR, CHECKING, HS GEARBOX CENTRIFUGAL ROLLER BRG; Functional Description: FIXTURE FOR CHECKING INTERNAL CLEARANCE BETWEEN HIGH SPPED GEARBOX AND CENTRIFUGAL ROLLER BEARING; End Item Identification: TURBO FAN ENGINE,NO. TF41-A-1. 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.
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.