The Bushing,sleeve, cataloged under National Stock Number 3120-01-445-6778, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3120-01-445-6778 |
| Primary Part Number | 4084169 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Flange Outside Diameter | 0.7800 INCHES MINIMUM AND 0.8000 INCHES MAXIMUM IN |
| Body Outside Diameter | 0.5012 INCHES MINIMUM AND 0.5017 INCHES MAXIMUM IN |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS5744 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Body Inside Diameter | 0.3780 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN |
| Flange Width | 0.0540 INCHES MINIMUM AND 0.0560 INCHES MAXIMUM IN |
| Material | STEEL COMP 634 OVERALL |
| 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 |
|---|---|
| 4084169 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4084169 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 3120PL1714898 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 3120-01-445-6778 is a Bushing,sleeve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-445-6778 has 2 manufacturer part numbers on file: 4084169 (Rtx Corporation Div Pratt & Whitney), 4084169 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4084169: Corner Shape: SQUARE ALL CORNERS; Flange Outside Diameter: 0.7800 INCHES MINIMUM AND 0.8000 INCHES MAXIMUM IN; Body Outside Diameter: 0.5012 INCHES MINIMUM AND 0.5017 INCHES MAXIMUM IN; Style Designator: SOLID, EXTERNAL FLANGE ONE END. 8 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.