PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BS5-1721PC97T0102Link Assembly,valve

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-00-398-9337 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-9337 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-9337. Primary manufacturer part number: BS5-1721PC97T0102.
Features
  • Link Assembly,valve — FSC 4320
  • General Characteristics Item Description: 13.375 IN. O/A LG; 1.375 IN. OD,0.625 IN. ID OF CONNECTING EYE; TWO SETSCREWS,0.748 IN. W OF CONNECTING EYE; 0.500 IN. DIA OF SHAFT; TWO THREADED SECTION,1/2-13 UNC-3 THREAD; 2.500 IN. LG BETWEEN THREADED SECTIONS IN
  • 13 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 Link Assembly,valve, cataloged under National Stock Number 4320-00-398-9337, 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 13 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-398-9337
Primary Part NumberBS5-1721PC97T0102
Item NameLink Assembly,valve
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
General Characteristics Item Description13.375 IN. O/A LG; 1.375 IN. OD,0.625 IN. ID OF CONNECTING EYE; TWO SETSCREWS,0.748 IN. W OF CONNECTING EYE; 0.500 IN. DIA OF SHAFT; TWO THREADED SECTION,1/2-13 UNC-3 THREAD; 2.500 IN. LG BETWEEN THREADED SECTIONS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5961-00-729-5499 INTERCHANGEABLE
Semiconductor Device,diode
5935-01-470-9548SE6F0610A1.5-34 INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
5935-01-470-9948SE6F2224A1.5-34 INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
5935-01-471-0272SE6F1824A1.5-34 INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
5935-01-472-3368SE6E2208A1.5-34N INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
5935-01-472-3371SE6E1204A1.5-34N INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
5935-01-477-5097SE6E0904A1.5-34 INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
5935-01-495-8309SE6E2524A1.5-34 INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
5935-01-495-8329SE6F0310A1.5-34 INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
5935-01-495-8605SE6E2516A1.5-34 INTERCHANGEABLE
Backshell,electrical Connector
Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc
Cross-Reference Index
Part NumberManufacturer
BS5-1738PC97T0102 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1143PC97T0102 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1721PC97T0102 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1719PC97T0102 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1742PC97T0102 Circor Naval Solutions Llc Dba Warren Pumps (USA)
SE6 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1140PC97T0102 Circor Naval Solutions Llc Dba Warren Pumps (USA)
H4320-398-9337 Naval Inventory Control Point Mechanicsburg (USA)
BS1195PC97T0102 Circor Naval Solutions Llc Dba Warren Pumps (USA)
DD 445-S4700-53 Naval Ship Systems Command (USA)
BS5-1740PC97T0102 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS5-1735PC97T0102 Circor Naval Solutions Llc Dba Warren Pumps (USA)
BS1193PC97T0102 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5961-00-729-5499INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5935-01-470-9548INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
SE6F0610A1.5-34
5935-01-470-9948INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
SE6F2224A1.5-34
5935-01-471-0272INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
SE6F1824A1.5-34
5935-01-472-3368INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
SE6E2208A1.5-34N
5935-01-472-3371INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
SE6E1204A1.5-34N
5935-01-477-5097INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
SE6E0904A1.5-34
5935-01-495-8309INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
SE6E2524A1.5-34
5935-01-495-8329INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
SE6F0310A1.5-34
5935-01-495-8605INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
SE6E2516A1.5-34
5935-01-495-8675INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
A3178914-5

Frequently Asked Questions

What is NSN 4320-00-398-9337?

NSN 4320-00-398-9337 is a Link Assembly,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 4320-00-398-9337?

NSN 4320-00-398-9337 has 13 cross-referenced part numbers: BS5-1738PC97T0102 (Circor Naval Solutions Llc Dba Warren Pumps), BS1143PC97T0102 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1721PC97T0102 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1719PC97T0102 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1742PC97T0102 (Circor Naval Solutions Llc Dba Warren Pumps) and 8 more.

What NSN replaces 4320-00-398-9337?

There are 11 known substitutes for 4320-00-398-9337: 5961-00-729-5499, 5935-01-470-9548, 5935-01-470-9948 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BS5-1721PC97T0102?

Key specifications for BS5-1721PC97T0102: General Characteristics Item Description: 13.375 IN. O/A LG; 1.375 IN. OD,0.625 IN. ID OF CONNECTING EYE; TWO SETSCREWS,0.748 IN. W OF CONNECTING EYE; 0.500 IN. DIA OF SHAFT; TWO THREADED SECTION,1/2-13 UNC-3 THREAD; 2.500 IN. LG BETWEEN THREADED SECTIONS IN. 1 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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