PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SJ5Guard,valve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-218-4172 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-4172 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-4172. Primary manufacturer part number: SJ5.
Features
  • Guard,valve — FSC 4320
  • General Characteristics Item Description: BRONZE; 2.010 IN. LG; 1.312 IN. SMALLEST OD; 0.562 IN. ID; 0.828 @IN. HEIGHT; 2.281 IN. LARGEST OD; GROOVED 0.281 IN. W BY 0.219 IN. DEEP IN
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Guard,valve, cataloged under National Stock Number 4320-00-218-4172, is classified within Federal Supply Class 4320 (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 1 verified specification, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-218-4172
Primary Part NumberSJ5
Item NameGuard,valve
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
General Characteristics Item DescriptionBRONZE; 2.010 IN. LG; 1.312 IN. SMALLEST OD; 0.562 IN. ID; 0.828 @IN. HEIGHT; 2.281 IN. LARGEST OD; GROOVED 0.281 IN. W BY 0.219 IN. DEEP IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3455-01-032-4749 INTERCHANGEABLE
File,rotary
4940-01-315-24591.043-452.0 INTERCHANGEABLE
Cleaner,steam,pressure Jet
Landa Pressure Washers
9130-01-554-8353 INTERCHANGEABLE
Turbine Fuel,aviation
Cross-Reference Index
Part NumberManufacturer
SJ5 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
1-2-4500APC69 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3455-01-032-4749INTERCHANGEABLE
FILE,ROTARY
4940-01-315-2459INTERCHANGEABLE
CLEANER,STEAM,PRESSURE JET
1.043-452.0
9130-01-554-8353INTERCHANGEABLE
TURBINE FUEL,AVIATION

Frequently Asked Questions

What is NSN 4320-00-218-4172?

NSN 4320-00-218-4172 is a Guard,valve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-218-4172?

NSN 4320-00-218-4172 has 2 cross-referenced part numbers: SJ5 (Circor Naval Solutions Llc Dba Warren Pumps), 1-2-4500APC69 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-218-4172?

There are 3 known substitutes for 4320-00-218-4172: 3455-01-032-4749, 4940-01-315-2459, 9130-01-554-8353. Verify interchangeability with system specifications before substitution.

What are the specifications of SJ5?

Key specifications for SJ5: General Characteristics Item Description: BRONZE; 2.010 IN. LG; 1.312 IN. SMALLEST OD; 0.562 IN. ID; 0.828 @IN. HEIGHT; 2.281 IN. LARGEST OD; GROOVED 0.281 IN. W BY 0.219 IN. DEEP IN; End Item Identification: PUMP,RECIPROCATING,WARREN PUMPS INC,MODEL N0-151. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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