The Ring,piston, cataloged under National Stock Number 4310-00-273-0323, 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 13 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-00-273-0323 |
| Primary Part Number | SM3 |
| Item Name | Ring,piston |
| FSC / FSG | 4310 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Radial Wall Thickness | 0.1270 INCHES MINIMUM AND 0.1370 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Bore Diameter Oversize | 0.010 INCHES IN |
| FSC Application Data | PISTON,STEAM,DIRECT ACTING RECIPROCATING PUMP |
| Standard Bore Diameter | 3.500 INCHES IN |
| Joint Style | VERTICAL JOINT |
| Material | IRON OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BS5-1758PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| SM3 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1190PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1727PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1793PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1755PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1783PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1188PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1724PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS1162PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS1164PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1786PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1796PC89-0S | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4310-00-273-0323 is a Ring,piston, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4310 (No Item Name Available). Status: active.
NSN 4310-00-273-0323 has 13 cross-referenced part numbers: BS5-1758PC89-0S (Circor Naval Solutions Llc Dba Warren Pumps), SM3 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1190PC89-0S (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1727PC89-0S (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1793PC89-0S (Circor Naval Solutions Llc Dba Warren Pumps) and 8 more.
There are 7 known substitutes for 4310-00-273-0323: 5905-00-903-6915, 5925-00-912-2769, 5925-00-912-2774 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for SM3: Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Radial Wall Thickness: 0.1270 INCHES MINIMUM AND 0.1370 INCHES MAXIMUM IN; Overall Width: 0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM IN; Ring Style: CONCENTRIC. 9 total characteristics are documented in the Federal Logistics Information System.