The Nut,plain,rectangular, cataloged under National Stock Number 5310-01-258-8501, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Jergens Inc Div Tooling Components Division. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-258-8501 |
| Primary Part Number | 43302 |
| Item Name | Nut,plain,rectangular |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Jergens Inc Div Tooling Components Division |
| Status | ACTIVE |
| Nut Height | 0.500 INCHES NOMINAL IN |
| Hardness Rating | 27.3 ROCKWELL C NOMINAL |
| Thread Quantity Per Inch | 16 |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | OXIDE OVERALL |
| Material | STEEL COMP 4150 OVERALL |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2B |
| Nut Width | 0.688 INCHES NOMINAL IN |
| Nut Length | 0.875 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-01-258-8501 is a Nut,plain,rectangular, manufactured by Jergens Inc Div Tooling Components Division, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-01-258-8501 has 3 cross-referenced part numbers: ST33D57 (Lockheed Martin Corp), 43302 (Jergens Inc Div Tooling Components Division), ST33D57-1 (Lockheed Martin Corp).
There are 7 known substitutes for 5310-01-258-8501: 5950-00-532-1039, 5905-01-109-9175, 3110-01-157-2331 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 43302: Nut Height: 0.500 INCHES NOMINAL IN; Hardness Rating: 27.3 ROCKWELL C NOMINAL; Thread Quantity Per Inch: 16; Nominal Thread Size: 0.375 INCHES IN. 11 total characteristics are documented in the Federal Logistics Information System.