The Washer,concave, cataloged under National Stock Number 5310-00-868-5526, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 12 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-868-5526 |
| Primary Part Number | 00648-6 |
| Item Name | Washer,concave |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Recess Depth | 0.132 INCHES NOMINAL IN |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM |
| Hole Diameter | 0.810 INCHES NOMINAL IN |
| Material Thickness | 0.234 INCHES NOMINAL IN |
| Outside Diameter | 1.198 INCHES MINIMUM AND 1.208 INCHES MAXIMUM IN |
| Radius | 0.650 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | CONCAVE |
| Material | STEEL COMP 1042 OVERALL |
| Surface Finish | 63.0 MICROINCHES TOP |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5310-00-868-5526 is a Washer,concave, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-868-5526 has 2 cross-referenced part numbers: 00648-6 (Defense Logistics Agency Dba Defense Supply Center Philadelphia), 2935-10 (Harvard Industries Inc).
There are 3 known substitutes for 5310-00-868-5526: 5962-01-078-7029, 5355-01-160-6867, 5310-01-268-5523. Verify interchangeability with system specifications before substitution.
Key specifications for 00648-6: Recess Depth: 0.132 INCHES NOMINAL IN; Hardness Rating: 34.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM; Hole Diameter: 0.810 INCHES NOMINAL IN; Material Thickness: 0.234 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.