The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-221-4915, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 15 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-221-4915 |
| Primary Part Number | SCB70002 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 32 |
| Thread Series | UNEF |
| Nominal Thread Size | 0.312 INCHES IN |
| Nut Style | HEXAGON |
| Surface Treatment | CHROMIUM OVERALL |
| Surface Treatment Document and Classification | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Width Across Flats | 0.488 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM NUT |
| Material | STEEL COMP 303 OVERALL |
| Material Document and Classification | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bearing Surface Type | CHAMFERED |
| Nut Height | 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Bearing Surface Finish | 63.0 MICROINCHES |
| Thread Class | 3B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-221-4915 is a Nut,plain,hexagon, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-221-4915 has 2 cross-referenced part numbers: SCB70002 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50559 (Kleinschmidt Inc).
There are 11 known substitutes for 5310-00-221-4915: 5330-00-214-6446, 3455-00-222-4063, 5120-00-240-7308 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for SCB70002: Thread Direction: RIGHT-HAND; Thread Quantity Per Inch: 32; Thread Series: UNEF; Nominal Thread Size: 0.312 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.