The Ring,piston, cataloged under National Stock Number 4310-00-131-2990, 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 8 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-131-2990 |
| Primary Part Number | SL4 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material | IRON OVERALL |
| Ring Style | CONCENTRIC |
| FSC Application Data | STEAM END PISTON,DIRECT ACTING RECIPROCATING PUMP |
| Radial Wall Thickness | 0.2350 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Bore Diameter Oversize | 0.010 INCHES IN |
| Standard Bore Diameter | 6.000 INCHES IN |
| Joint Style | VERTICAL JOINT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BS1192PC30 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| SL4 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4310-00-131-2990 is a Ring,piston, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-131-2990 has 2 cross-referenced part numbers: BS1192PC30 (Circor Naval Solutions Llc Dba Warren Pumps), SL4 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 8 known substitutes for 4310-00-131-2990: 5340-00-546-6083, 5999-01-017-5151, 3455-01-046-7244 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for SL4: Material: IRON OVERALL; Ring Style: CONCENTRIC; FSC Application Data: STEAM END PISTON,DIRECT ACTING RECIPROCATING PUMP; Radial Wall Thickness: 0.2350 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN. 9 total characteristics are documented in the Federal Logistics Information System.