The Nut,plain,round, cataloged under National Stock Number 5310-00-521-7370, 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 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-521-7370 |
| Primary Part Number | 5217370 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Material | STEEL COMP 1335 OVERALL |
| Nut Diameter | 2.875 INCHES NOMINAL IN |
| Thread Class | 3B |
| Thread Series | UNS |
| Thread Quantity Per Inch | 16 |
| Nominal Thread Size | 1.968 INCHES IN |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Thickness | 1.125 INCHES NOMINAL IN |
| Nut Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Drive Point Quantity | 6 |
| Drive Point Depth | 0.375 INCHES NOMINAL IN |
| Drive Point Width | 0.312 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-521-7370 is a Nut,plain,round, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-521-7370 has 2 cross-referenced part numbers: 5217370 (U S Army Tank Automotive Command Amsta-Im-Mm), 361J (Dana Corp Spicer Transmission Div).
There are 2 known substitutes for 5310-00-521-7370: 2530-00-355-3972, 5210-01-364-3092. Verify interchangeability with system specifications before substitution.
Key specifications for 5217370: Material: STEEL COMP 1335 OVERALL; Nut Diameter: 2.875 INCHES NOMINAL IN; Thread Class: 3B; Thread Series: UNS. 14 total characteristics are documented in the Federal Logistics Information System.