The Fixture,machining,aircraft Engin, cataloged under National Stock Number 4920-01-443-8012, 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 General Electric Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-443-8012 |
| Primary Part Number | 3C3608G02 |
| Item Name | Fixture,machining,aircraft Engin |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Nominal Overall Diameter | 21.000 INCHES IN |
| Reference Data and Literature | SERD NO. 6046 |
| Functional Description | USED TO REMOVE/REPLACE THE LPT FORWARD ROTATING AIR SEAL |
| 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 |
|---|---|
| 3C3608G02 PRIMARY | General Electric Company (USA) |
NSN 4920-01-443-8012 is a Fixture,machining,aircraft Engin, manufactured by General Electric Company, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-443-8012 has 1 manufacturer part number on file: 3C3608G02 (General Electric Company).
Key specifications for 3C3608G02: Nominal Overall Diameter: 21.000 INCHES IN; Reference Data and Literature: SERD NO. 6046; Special Features: C/O RING OF ALLOY STEEL; 2 RABBETS ARE MACHINED ON INSIDE OF THIS RING TO PROVIDE A TIGHT FIT ON THE OUTSIDE OF THE SEAL HOUSING. THE LOWER SIDE HAS BEEN MACHINED ON A 16.380 I.D. BY 0.900 D. TO LOCAATE THE STRIPPER RING. THE STRIPPER RING IS 16.250 O.D. BY 13.250 I.D. BY 0.500 THK. AND IS TAPPED IN 6 LOCATIONS FOR 0.375 UNC BOLTS. THE FIXTURE RING IS DRILLED AND TAPPED IN 18 LOCATIONS FOR 0.375 BY 16.000 UNC BOLTS WHICH ATTACH THE 6 CLAMP PADS AND 6 SUPPORT BLOCKS. THE CLAMP PADS AND SUPPORT BLOCKS ARE USED FOR RETAINING THE SEAL IN THE FIXTURE DURING MACHING AND INSPECTION OPERATIONS; MFGR NOUN: FIXTURE,MACHINING; Functional Description: USED TO REMOVE/REPLACE THE LPT FORWARD ROTATING AIR SEAL. 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.