The Washer,flat, cataloged under National Stock Number 5310-00-802-2359, 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 4 commercial cross-references from 4 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 | 5310-00-802-2359 |
| Primary Part Number | B4-3 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Material | STEEL COMP 303 OR STEEL COMP 1340H OVERALL |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Center Hole Shape Style | ROUND |
| Peripheral Shape Style | ROUND |
| Overall Diameter | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Thickness | 0.006 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Hole Diameter | 0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 10121703 | Nimikkeistokeskus Ncb Finland (FIN) |
| B4-3 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| 1650407-3 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 10594609-5 | Us Army Aviation and Missile Command (USA) |
NSN 5310-00-802-2359 is a Washer,flat, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-802-2359 has 4 cross-referenced part numbers: 10121703 (Nimikkeistokeskus Ncb Finland), B4-3 (Roller Bearing Co of America, Inc Div Pic Design), 1650407-3 (Lockheed Martin Corporation Div Rms - Mitchel Field), 10594609-5 (Us Army Aviation and Missile Command).
There are 7 known substitutes for 5310-00-802-2359: 4820-00-274-5107, 3030-00-299-1230, 5940-00-549-4903 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for B4-3: Material: STEEL COMP 303 OR STEEL COMP 1340H OVERALL; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: PASSIVATE OVERALL; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.