The Washer,flat, cataloged under National Stock Number 5310-00-139-2999, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Atelier Industriel De L'aeronautique De Cuers Pierrefeu (siae/aia Cp). Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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 | 5310-00-139-2999 |
| Primary Part Number | 96311 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Atelier Industriel De L'aeronautique De Cuers Pierrefeu (siae/aia Cp) |
| Status | ACTIVE |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Thickness | 0.049 INCHES NOMINAL IN |
| Material | STEEL COMP 302 OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Peripheral Shape Style | ROUND |
| Heat Treatment | COLD ROLLED |
| Cross-Sectional Shape Style | RECTANGULAR |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.266 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-139-2999 is a Washer,flat, manufactured by Atelier Industriel De L'aeronautique De Cuers Pierrefeu (siae/aia Cp), classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-139-2999 has 3 cross-referenced part numbers: 96311 (Atelier Industriel De L'aeronautique De Cuers Pierrefeu (siae/aia Cp)), 96311ADX (Airdale Express Llc Div Airdale Express), 96311 (Federal Screw Products, Inc.).
There are 3 known substitutes for 5310-00-139-2999: 5360-00-516-3265, 4730-01-438-0917, 4820-01-438-2684. Verify interchangeability with system specifications before substitution.
Key specifications for 96311: Overall Diameter: 0.562 INCHES NOMINAL IN; Thickness: 0.049 INCHES NOMINAL IN; Material: STEEL COMP 302 OVERALL; Surface Treatment: PASSIVATE OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.