The Nut,plain,assembled Washer, cataloged under National Stock Number 5310-00-521-8480, 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-521-8480 |
| Primary Part Number | SCB70003 |
| Item Name | Nut,plain,assembled Washer |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir |
| Status | ACTIVE |
| Width Across Flats | 0.370 INCHES NOMINAL IN |
| Features Provided | CASEHARDENED |
| Thread Quantity Per Inch | 32 |
| Thread Series | UNF |
| Nominal Thread Size | 0.190 INCHES IN |
| Countersink Angle | 82.0 DEGREES NOMINAL NUT |
| Material | STEEL COMP 1117 OVERALL |
| Nut Height | 0.180 INCHES NOMINAL IN |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nut Style | FLAT WITH TURNED BACK EDGE |
| Surface Treatment Document and Classification | MIL-P-16232,TY M,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Washer Outside Diameter | 0.438 INCHES NOMINAL IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Class | 2B |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-521-8480 is a Nut,plain,assembled Washer, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-521-8480 has 2 cross-referenced part numbers: SCB70003 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 50564 (Kleinschmidt Inc).
There are 5 known substitutes for 5310-00-521-8480: 3110-00-227-2818, 5210-00-241-3616, 5950-00-678-0028 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for SCB70003: Width Across Flats: 0.370 INCHES NOMINAL IN; Features Provided: CASEHARDENED; Thread Quantity Per Inch: 32; Thread Series: UNF. 16 total characteristics are documented in the Federal Logistics Information System.