The Washer,flat, cataloged under National Stock Number 5310-00-637-2114, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 11 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5310-00-637-2114 |
| Primary Part Number | 51521 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | CANCELLED |
| Thickness | 0.063 INCHES NOMINAL IN |
| Material | STEEL COMP 5045 OVERALL |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.875 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Hardness Rating | 90.0 ROCKWELL B MINIMUM AND 102.0 ROCKWELL B MAXIMUM |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.453 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 51521 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
NSN 5310-00-637-2114 is a Washer,flat, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5310 (No Item Name Available). Status: cancelled.
NSN 5310-00-637-2114 has 1 cross-referenced part number: 51521 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
There are 2 known substitutes for 5310-00-637-2114: 5340-00-355-2716, 2940-01-184-4609. Verify interchangeability with system specifications before substitution.
Key specifications for 51521: Thickness: 0.063 INCHES NOMINAL IN; Material: STEEL COMP 5045 OVERALL; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Surface Treatment: CADMIUM OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.
NSN 5310-00-637-2114 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.