The Washer,flat, cataloged under National Stock Number 5310-01-078-4490, 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 8 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-078-4490 |
| Primary Part Number | B3-43 |
| 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 CORROSION RESISTING OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.088 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN |
| Overall Diameter | 0.148 INCHES MINIMUM AND 0.153 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Thickness | 0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B3-43 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
NSN 5310-01-078-4490 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 5310-01-078-4490 has 1 cross-referenced part number: B3-43 (Roller Bearing Co of America, Inc Div Pic Design).
There are 3 known substitutes for 5310-01-078-4490: 3120-00-661-4931, 8455-01-388-8488, 7025-01-486-1596. Verify interchangeability with system specifications before substitution.
Key specifications for B3-43: Material: STEEL CORROSION RESISTING OVERALL; Surface Treatment: PASSIVATE OVERALL; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.