The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-159-6278, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-159-6278 |
| Primary Part Number | 7743652 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Hardness Rating | 58.0 ROCKWELL C NOMINAL |
| Width Across Flats | 1.312 INCHES NOMINAL IN |
| Nominal Thread Size | 0.875 INCHES IN |
| Thread Quantity Per Inch | 16 |
| Thread Series | UN |
| Thread Direction | RIGHT-HAND |
| Nut Height | 0.562 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL COMP 1212 OR STEEL COMP 1213 OVERALL |
| Thread Class | 2B |
| Nut Style | CASTELLATED, HEXAGON |
| Bearing Surface Type | FLAT |
| Features Provided | CASEHARDENED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-159-6278 is a Nut,plain,castellated,hexagon, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-159-6278 has 3 cross-referenced part numbers: 7743652 (U S Army Tank Automotive Command Amsta-Im-Mm), 35695 (New Venture Gear Inc New Process Gear Div), 945817 (Am General Llc).
There are 6 known substitutes for 5310-00-159-6278: 5120-00-203-4766, 5935-00-238-4238, 2910-00-358-5057 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7743652: Hardness Rating: 58.0 ROCKWELL C NOMINAL; Width Across Flats: 1.312 INCHES NOMINAL IN; Nominal Thread Size: 0.875 INCHES IN; Thread Quantity Per Inch: 16. 13 total characteristics are documented in the Federal Logistics Information System.