The Support,bearing Housing, cataloged under National Stock Number 4920-01-331-8449, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. 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 | 4920-01-331-8449 |
| Primary Part Number | GS21690-1 |
| Item Name | Support,bearing Housing |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | DIM. 3.100 IN. LG; 4.000 IN. W; 4.000 IN. H; WEIGHT: 1.500 LBS LBS |
| Reference Data and Literature | PRATT WHITNEY SERD NO. 5718 |
| Functional Description | USED TO SUPPORT THE BEARING HOUSING DURING ASSEMBLY/DISASSEMBLY |
| 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 |
|---|---|
| GS21690-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4920-01-331-8449 is a Support,bearing Housing, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-331-8449 has 1 manufacturer part number on file: GS21690-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for GS21690-1: General Characteristics Item Description: DIM. 3.100 IN. LG; 4.000 IN. W; 4.000 IN. H; WEIGHT: 1.500 LBS LBS; Reference Data and Literature: PRATT WHITNEY SERD NO. 5718; Functional Description: USED TO SUPPORT THE BEARING HOUSING DURING ASSEMBLY/DISASSEMBLY; End Item Identification: F100-PW-229 TURBOFAN ENGINE. 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.