The Nut,sleeve, cataloged under National Stock Number 5310-00-177-2435, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives 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 14 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through both NSN and commercial part number lookups. 28 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-177-2435 |
| Primary Part Number | 9012881-4 |
| Item Name | Nut,sleeve |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Thread Series | UN |
| Nut Width Across Flats | 2.734 INCHES MINIMUM AND 2.766 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Nut Counterbore Depth | 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Counterbore Diameter | 1.859 INCHES MINIMUM AND 1.891 INCHES MAXIMUM NUT IN |
| Boss Width Across Flats | 1.631 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN |
| Cross-Sectional Shape | HEXAGONAL BOSS |
| Cross-Sectional Shape | ROUND NUT |
| Nut Style | SLEEVE |
| Thread Class | 3B |
| Thread Quantity Per Inch | 8 |
| Material | STEEL 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 |
|---|---|
| 5939303-20 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| 9012881-4 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| WW8676505PC25 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW8608975PC19 | 5/9 Secondary reference General Electric Company |
| 9012881-4 | 5/9 Secondary reference General Electric Company |
| 8608975P19 | 5/9 Secondary reference General Electric Company |
| WW8008625PC20 | 5/9 Secondary reference General Electric Company |
| WW8679653PC20 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 5939301-19 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| T9012881PC4 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW8676578PC16 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 5939303-20 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| 5939303-20 | 5/9 Secondary reference General Electric Company |
| WW5939697PC24 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW8676505PC25 | 5/9 Secondary reference General Electric Company |
| WW5939697PC24 | 5/9 Secondary reference General Electric Company |
| T9012881PC4 | 5/9 Secondary reference General Electric Company |
| 00328 | 5/9 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 9012881P4 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| WW8008625PC20 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 8608975P19 | 5/9 Secondary reference General Electric Co Switchgear and Control Division of Apparatus Group |
| 5939301-19 | 5/9 Secondary reference General Electric Company |
NSN 5310-00-177-2435 is a Nut,sleeve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-177-2435 has 2 manufacturer part numbers on file: 5939303-20 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), 9012881-4 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for 9012881-4: Thread Series: UN; Nut Width Across Flats: 2.734 INCHES MINIMUM AND 2.766 INCHES MAXIMUM IN; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM; Nut Counterbore Depth: 0.359 INCHES MINIMUM AND 0.391 INCHES MAXIMUM NUT IN. 14 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.