The Washer,flat, cataloged under National Stock Number 5310-00-845-6558, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-845-6558 |
| Primary Part Number | B4-6 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | CANCELLED |
| Material Document and Classification | -QQ-S-764 COND A,COLD ROLLED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Surface Treatment Document and Classification | -MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.188 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Center Hole Shape Style | ROUND |
| Thickness | 0.012 INCHES MINIMUM AND 0.016 INCHES MAXIMUM IN |
| Peripheral Shape Style | ROUND |
| Hole Diameter | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10594609-13 | Us Army Aviation and Missile Command (USA) |
| B4-6 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| B46 | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5310-00-845-6558 is a Washer,flat, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-845-6558 has 3 cross-referenced part numbers: 10594609-13 (Us Army Aviation and Missile Command), B4-6 (Roller Bearing Co of America, Inc Div Pic Design), B46 (Roller Bearing Co of America, Inc Div Pic Design).
There are 12 known substitutes for 5310-00-845-6558: 3110-00-114-9631, 6810-00-234-8362, 6810-00-299-8499 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B4-6: Material Document and Classification: -QQ-S-764 COND A,COLD ROLLED FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 303 OVERALL; Surface Treatment: PASSIVATE OVERALL; Surface Treatment Document and Classification: -MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-845-6558 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.