The Washer,flat, cataloged under National Stock Number 5310-00-550-0020, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wico-Prestolite Co the Div of Eltra Corp. Government technical data includes 10 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-550-0020 |
| Primary Part Number | 1197 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Wico-Prestolite Co the Div of Eltra Corp |
| Status | CANCELLED |
| Thickness | 0.043 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN |
| Material | STEEL COMP 1010 OVERALL |
| Material Document and Classification | QQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.233 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Hardness Rating | 85.0 ROCKWELL B MINIMUM |
| Surface Treatment | CADMIUM AND DICHROMATE OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1197 | Wico-Prestolite Co the Div of Eltra Corp (USA) |
NSN 5310-00-550-0020 is a Washer,flat, manufactured by Wico-Prestolite Co the Div of Eltra Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-550-0020 has 1 cross-referenced part number: 1197 (Wico-Prestolite Co the Div of Eltra Corp).
There are 7 known substitutes for 5310-00-550-0020: 4330-00-168-1861, 6150-00-371-3274, 5310-00-874-9697 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1197: Thickness: 0.043 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN; Material: STEEL COMP 1010 OVERALL; Material Document and Classification: QQ-S-633,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Center Hole Shape Style: ROUND. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-550-0020 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.