The Bushing,sleeve, cataloged under National Stock Number 3120-01-077-1986, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 8 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3120-01-077-1986 |
| Primary Part Number | 210566JA1 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 0.4355 INCHES MINIMUM AND 0.4365 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.1050 INCHES MINIMUM AND 0.1100 INCHES MAXIMUM IN |
| Lubricant Accommodation Style | GROOVED CIRCULAR |
| Material | STEEL COMP 440C OVERALL |
| Surface Groove Location and Quantity | 1 EXTERNAL |
| 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 |
|---|---|
| 210566JA1 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 210566JA1 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 214127 | 3/2 Design control — primary reference U.S. Government activity |
| 8417B | 5/9 Secondary reference U.S. Government activity |
| 210566JA1 | 5/9 Secondary reference U.S. Government activity |
| 8417B | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 200137C-PC306 | 5/9 Secondary reference U.S. Government activity |
NSN 3120-01-077-1986 is a Bushing,sleeve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-077-1986 has 1 manufacturer part number on file: 210566JA1 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-384-2500. Verify interchangeability with system specifications before substitution.
Key specifications for 210566JA1: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.4355 INCHES MINIMUM AND 0.4365 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.