The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-121-2741, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-121-2741 |
| Primary Part Number | 4339 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Width Across Flats | 1.750 INCHES NOMINAL IN |
| Nominal Thread Size | 1.125 INCHES IN |
| Thread Series | UNF |
| Thread Quantity Per Inch | 12 |
| Bearing Surface Type | FLAT |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Style | HEXAGON |
| Material | STEEL COMP 1117 OVERALL |
| Nut Height | 0.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A-822 | Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA) |
| 4339 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
| 4339 | Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture (USA) |
| A-822 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| A-822 | Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand (USA) |
| 4339 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
NSN 5310-01-121-2741 is a Nut,plain,hexagon, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-121-2741 has 6 cross-referenced part numbers: A-822 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), 4339 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand), 4339 (Dresser Rand Co Terry Corp Steam Turbine Motor and Generator Co a Joint Venture), A-822 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), A-822 (Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand) and 1 more.
There are 12 known substitutes for 5310-01-121-2741: 4730-00-287-1766, 4720-00-328-4913, 6515-00-654-5657 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4339: Thread Direction: RIGHT-HAND; Thread Class: 2B; Width Across Flats: 1.750 INCHES NOMINAL IN; Nominal Thread Size: 1.125 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.