The Ring,piston, cataloged under National Stock Number 4310-00-131-2998, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 7 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-131-2998 |
| Primary Part Number | SL7 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| FSC Application Data | STEAM PISTON,DIRECT ACTING PUMP |
| Radial Wall Thickness | 0.2570 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Material | IRON OVERALL |
| Ring Style | CONCENTRIC |
| Joint Style | VERTICAL JOINT |
| Standard Bore Diameter | 7.000 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SL7 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4310-00-131-2998 is a Ring,piston, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-131-2998 has 1 cross-referenced part number: SL7 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 6 known substitutes for 4310-00-131-2998: 5120-00-404-2797, 3460-00-474-8793, 6230-00-565-3271 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for SL7: FSC Application Data: STEAM PISTON,DIRECT ACTING PUMP; Radial Wall Thickness: 0.2570 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Material: IRON OVERALL. 8 total characteristics are documented in the Federal Logistics Information System.