The Ring,piston, cataloged under National Stock Number 4310-01-063-8575, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-063-8575 |
| Primary Part Number | B2631 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Kaydon Ring & Seal Inc Dba Skf Precision Technologies |
| Status | ACTIVE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.1500 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN |
| Material Document and Classification | ASTM B 126 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | IRON OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 3.756 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25654N | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| B2631 PRIMARY | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| N63670 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 25654N PIECE 20 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 63670 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 25460N | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 25460N PIECE 20 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 4310-01-063-8575 is a Ring,piston, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-01-063-8575 has 7 cross-referenced part numbers: 25654N (Leslie Controls, Inc. Dba Leslie Controls Inc), B2631 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), N63670 (Leslie Controls, Inc. Dba Leslie Controls Inc), 25654N PIECE 20 (Leslie Controls, Inc. Dba Leslie Controls Inc), 63670 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 2 more.
There are 10 known substitutes for 4310-01-063-8575: 6105-00-195-9673, 4820-01-062-5501, 4820-01-063-5948 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for B2631: Joint Style: VERTICAL JOINT; Overall Width: 0.0780 INCHES NOMINAL IN; Radial Wall Thickness: 0.1500 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN; Material Document and Classification: ASTM B 126 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.