The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-198-6691, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navistar Intl Corp Truck Br Ohio Plant. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-198-6691 |
| Primary Part Number | 274639 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Navistar Intl Corp Truck Br Ohio Plant |
| Status | CANCELLED |
| Thread Class | 2B |
| Nut Style | HEXAGON |
| Nut Height | 0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Material Document and Classification | GM 301M GRADE C,FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.625 INCHES IN |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM |
| Thread Quantity Per Inch | 18 |
| Bearing Surface Type | CHAMFERED |
| Thread Series | UNF |
| Surface Treatment | CADMIUM OVERALL |
| Thread Direction | RIGHT-HAND |
| Surface Treatment Document and Classification | GM 4341-M,CODE 20,FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Width Across Flats | 0.922 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 274639 | Navistar Intl Corp Truck Br Ohio Plant (USA) |
| 144EX473 | Oshkosh Defense Llc (USA) |
| 9416121 | Terex Corp (USA) |
| 9422306 | General Motors Llc Dba General Motors Llc (USA) |
| 60600 | Eaton Corp Axle Div (USA) |
| 274639 | General Motors Corp (USA) |
| 144EX473 | Oshkosh Corp (USA) |
| 274639 | Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA) |
| 274639 | General Motors Llc Dba General Motors Llc (USA) |
| 9422306 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| 274639 | Seddon Atkinson Vehicles Ltd (GBR) |
NSN 5310-00-198-6691 is a Nut,self-Locking,hexagon, manufactured by Navistar Intl Corp Truck Br Ohio Plant, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-198-6691 has 11 cross-referenced part numbers: 274639 (Navistar Intl Corp Truck Br Ohio Plant), 144EX473 (Oshkosh Defense Llc), 9416121 (Terex Corp), 9422306 (General Motors Llc Dba General Motors Llc), 60600 (Eaton Corp Axle Div) and 6 more.
There are 7 known substitutes for 5310-00-198-6691: 5365-00-088-2058, 5330-00-356-1411, 6635-00-807-8380 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 274639: Thread Class: 2B; Nut Style: HEXAGON; Nut Height: 0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN; Locking Feature: PREVAILING TORQUE ALL METAL DESIGN. 15 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-198-6691 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.