The Ring,wearing, cataloged under National Stock Number 4320-01-026-0073, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Air & Liquid Systems Corporation Dba Buffalo Pumps. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-026-0073 |
| Primary Part Number | NA1347-1 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Air & Liquid Systems Corporation Dba Buffalo Pumps |
| Status | ACTIVE |
| Corner Shape | ROUND INSIDE RIGHT CORNER |
| Center Flange Thickness | 0.172 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Internal Flange Inside Diameter | 6.750 INCHES NOMINAL IN |
| Smallest External Anchor Flange Radius | 4.359 INCHES MINIMUM AND 4.375 INCHES MAXIMUM IN |
| Distance Below Centerline | 0.063 INCHES NOMINAL IN |
| Groove Width | 0.190 INCHES NOMINAL IN |
| Body Outside Diameter | 8.249 INCHES MINIMUM AND 8.250 INCHES MAXIMUM IN |
| End to Flange Distance | 0.391 INCHES NOMINAL IN |
| Distance From End to Groove Center | 0.220 INCHES NOMINAL IN |
| Largest External Anchor Flange Radius | 4.609 INCHES MINIMUM AND 4.625 INCHES MAXIMUM IN |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Material | COPPER ALLOY |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Internal Flange Width | 0.250 INCHES NOMINAL IN |
| Corner Radius | 0.188 INCHES NOMINAL INSIDE RIGHT CORNER IN |
| Body Style | GROOVED W/INTERNAL AND EXTERNAL FLANGE |
| Groove Depth | 0.108 INCHES NOMINAL IN |
| Body Inside Diameter | 7.503 INCHES MINIMUM AND 7.505 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4320-01-026-0073 is a Ring,wearing, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-026-0073 has 2 cross-referenced part numbers: NA1347-1 (Air & Liquid Systems Corporation Dba Buffalo Pumps), NG13533 (Air & Liquid Systems Corporation Dba Buffalo Pumps).
There is 1 known substitute for 4320-01-026-0073: 5945-00-258-3072. Verify interchangeability with system specifications before substitution.
Key specifications for NA1347-1: Corner Shape: ROUND INSIDE RIGHT CORNER; Center Flange Thickness: 0.172 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN; Corner Shape: SQUARE INSIDE LEFT CORNER; Internal Flange Inside Diameter: 6.750 INCHES NOMINAL IN. 20 total characteristics are documented in the Federal Logistics Information System.