The Bushing,sleeve, cataloged under National Stock Number 3120-00-159-0934, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division. Government technical data includes 16 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 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 | 3120-00-159-0934 |
| Primary Part Number | 176556 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Surface Treatment Document and Classification | CPS 6616,71791 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Flange Outside Diameter | 1.0000 INCHES NOMINAL IN |
| Body Outside Diameter | 0.6865 INCHES MINIMUM AND 0.6870 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Style Designator | SOLID, EXTERNAL FLANGE ONE END |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 0.5900 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Flange Width | 0.0600 INCHES NOMINAL IN |
| Material | STEEL COMP 8740 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 |
|---|---|
| 176556 PRIMARY | Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division (USA) |
NSN 3120-00-159-0934 is a Bushing,sleeve, manufactured by Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-00-159-0934 has 1 manufacturer part number on file: 176556 (Curtiss-Wright Controls, Inc. Dba Curtiss Wright Div Actuation Division).
1 possible match (shared part number, not a government interchangeability claim): 1560-00-191-0223. Verify interchangeability with system specifications before substitution.
Key specifications for 176556: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: SQUARE LEFT FLANGE BODY CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 16 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.