The Ring,piston, cataloged under National Stock Number 4310-00-131-7057, 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 4 commercial cross-references from 2 manufacturers, 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 | 4310-00-131-7057 |
| Primary Part Number | SM-1 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Bore Diameter Oversize | 0.010 INCHES IN |
| Radial Wall Thickness | 0.1020 INCHES MINIMUM AND 0.1120 INCHES MAXIMUM IN |
| FSC Application Data | STEAM PISTON,RECIPROCATING PUMP |
| Material | IRON OVERALL |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 2.500 INCHES IN |
| Joint Style | VERTICAL JOINT |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BS1193PC890S | Spx Corp (USA) |
| SM-1 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS1193PC890S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-2017PC50A | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4310-00-131-7057 is a Ring,piston, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-131-7057 has 4 cross-referenced part numbers: BS1193PC890S (Spx Corp), SM-1 (Circor Naval Solutions Llc Dba Warren Pumps), BS1193PC890S (Circor Naval Solutions Llc Dba Warren Pumps), BS5-2017PC50A (Circor Naval Solutions Llc Dba Warren Pumps).
There are 6 known substitutes for 4310-00-131-7057: 5960-00-285-0516, 3455-00-293-3560, 5340-00-610-5044 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for SM-1: Bore Diameter Oversize: 0.010 INCHES IN; Radial Wall Thickness: 0.1020 INCHES MINIMUM AND 0.1120 INCHES MAXIMUM IN; FSC Application Data: STEAM PISTON,RECIPROCATING PUMP; Material: IRON OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.