The Ring,wearing, cataloged under National Stock Number 4320-00-071-2020, 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 5 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 | 4320-00-071-2020 |
| Primary Part Number | 9178-2 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Air & Liquid Systems Corporation Dba Buffalo Pumps |
| Status | ACTIVE |
| Body Style | PLAIN |
| Corner Shape | SQUARE ALL CORNERS |
| Material | COPPER ALLOY |
| Body Outside Diameter | 9.750 INCHES NOMINAL IN |
| Body Inside Diameter | 9.312 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-022E515-8 | Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA) |
| 9178-2 PRIMARY | Air & Liquid Systems Corporation Dba Buffalo Pumps (USA) |
NSN 4320-00-071-2020 is a Ring,wearing, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-071-2020 has 2 cross-referenced part numbers: 2-022E515-8 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), 9178-2 (Air & Liquid Systems Corporation Dba Buffalo Pumps).
There are 3 known substitutes for 4320-00-071-2020: 2805-00-147-4275, 5920-00-611-6654, 4920-01-579-2542. Verify interchangeability with system specifications before substitution.
Key specifications for 9178-2: Body Style: PLAIN; Corner Shape: SQUARE ALL CORNERS; Material: COPPER ALLOY; Overall Length: 1.000 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.