The Ring Set,piston, cataloged under National Stock Number 2815-00-554-2212, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Spirolox Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 10 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 2815-00-554-2212 |
| Primary Part Number | 70S86HS1 |
| Item Name | Ring Set,piston |
| FSC / FSG | 2815 / 28 — No Item Name Available |
| Manufacturer | Spirolox Inc |
| Status | CANCELLED |
| Standard Bore Diameter | 4.250 INCHES IN |
| Piston Accommodation Quantity | 1 |
| Ring Set Component Parts | COMPRESSION RING,5F6326,11083,1; COMPRESSION RING,6B2172,11083,2; OIL RING,3F6281,11083,2 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 70S86HS1 PRIMARY | Spirolox Inc (USA) |
| 7275 | Gould Inc Clevite Engine Parts Div (USA) |
| IPD9H1214 | Industrial Parts Depot, Llc Dba Ipd (USA) |
| 2C7786S PRIMARY | Hastings Manufacturing Co Div Hastings Manufacturing Company (USA) |
| SC3495 | Dana Corp Engine Products Div (USA) |
| 7275 | Muskegon Piston Ring Co Muskegon Products Div (USA) |
| 9H1214 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| CT8-7786S1 | Hastings Manufacturing Co Div Hastings Manufacturing Company (USA) |
| 737HCS1 | Spx Corp (USA) |
| CT9-7786S1 | Hastings Manufacturing Co Div Hastings Manufacturing Company (USA) |
| 6875 PRIMARY | Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA) |
| 737HCS1 | Bosch Automotive Service Solutions Inc. (USA) |
NSN 2815-00-554-2212 is a Ring Set,piston, manufactured by Spirolox Inc, classified under FSC 2815 (No Item Name Available). Status: cancelled.
NSN 2815-00-554-2212 has 12 cross-referenced part numbers: 70S86HS1 (Spirolox Inc), 7275 (Gould Inc Clevite Engine Parts Div), IPD9H1214 (Industrial Parts Depot, Llc Dba Ipd), 2C7786S (Hastings Manufacturing Co Div Hastings Manufacturing Company), SC3495 (Dana Corp Engine Products Div) and 7 more.
There are 12 known substitutes for 2815-00-554-2212: 3110-00-120-4369, 5136-00-189-3128, 5935-00-201-8917 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 70S86HS1: Standard Bore Diameter: 4.250 INCHES IN; Piston Accommodation Quantity: 1; Ring Set Component Parts: COMPRESSION RING,5F6326,11083,1; COMPRESSION RING,6B2172,11083,2; OIL RING,3F6281,11083,2. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 2815-00-554-2212 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.