The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-221-4917, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-221-4917 |
| Primary Part Number | 51079 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Kleinschmidt Inc |
| Status | ACTIVE |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Quantity Per Inch | 28 |
| Thread Series | UNF |
| Thread Class | 2B |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.3095 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bearing Surface Finish | 63.0 MICROINCHES |
| Nut Style | HEXAGON |
| Material | STEEL COMP 303 OVERALL |
| Bearing Surface Type | WASHER FACED |
| Countersink Angle | 77.0 DEGREES MINIMUM AND 87.0 DEGREES MAXIMUM NUT |
| Nut Height | 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 51079 | Kleinschmidt Inc (USA) |
NSN 5310-00-221-4917 is a Nut,plain,hexagon, manufactured by Kleinschmidt Inc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-221-4917 has 1 cross-referenced part number: 51079 (Kleinschmidt Inc).
There are 5 known substitutes for 5310-00-221-4917: 5905-00-088-0734, 4940-00-555-2073, 2940-00-864-0653 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 51079: Nominal Thread Size: 0.250 INCHES IN; Thread Quantity Per Inch: 28; Thread Series: UNF; Thread Class: 2B. 13 total characteristics are documented in the Federal Logistics Information System.