The Fixture,aircraft Maintenance, cataloged under National Stock Number 4920-01-132-7220, 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 Rolls-Royce Corporation. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-132-7220 |
| Primary Part Number | 23003609 |
| Item Name | Fixture,aircraft Maintenance |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Nominal Overall Width | 1.250 INCHES IN |
| Nominal Overall Length | 3.440 INCHES IN |
| Functional Description | USED TO PRODUCE GROOVE ON O RING SEAL AT SPLITLINE IN OIL PASSAGE W/TRANSFERS PROP BRAKE OIL FROM REAR HOUSING TO THE INNER DIAPHRAGM; CONTAINS 4 H0LES |
| 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 |
|---|---|
| 23003609 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23003609 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 4920-01-132-7220 is a Fixture,aircraft Maintenance, manufactured by Rolls-Royce Corporation, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-132-7220 has 1 manufacturer part number on file: 23003609 (Rolls-Royce Corporation).
Key specifications for 23003609: Nominal Overall Width: 1.250 INCHES IN; Nominal Overall Length: 3.440 INCHES IN; Special Features: MATL: STEEL,SAE 52100,HARDEN TO ROCKWELL 61-65; SURFACE TREATMENT: AMS 2485 BLACK OXIDE; Functional Description: USED TO PRODUCE GROOVE ON O RING SEAL AT SPLITLINE IN OIL PASSAGE W/TRANSFERS PROP BRAKE OIL FROM REAR HOUSING TO THE INNER DIAPHRAGM; CONTAINS 4 H0LES. 3 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.