PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21685Base,pump

Industrial Technologies and Services Llc · NSN 4320-00-937-1153 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-937-1153 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-937-1153. Primary manufacturer part number: 21685.
Features
  • Base,pump — FSC 4320
  • Material: COPPER ALLOY
  • Pump Model Number for Which Designed: 21685
  • Pump Design Control Activity: 76122
  • Mounting Base Length: 14.000 INCHES NOMINAL IN
  • Mounting Base Height: 6.000 INCHES NOMINAL IN
  • Mounting Base Width: 6.000 INCHES NOMINAL IN
  • Design Type: CRADLE
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
  • Applications requiring Copper Alloy construction
General Description

The Base,pump, cataloged under National Stock Number 4320-00-937-1153, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Industrial Technologies and Services Llc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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.

Technical Specifications
ParameterValue
NSN4320-00-937-1153
Primary Part Number21685
Item NameBase,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerIndustrial Technologies and Services Llc
StatusACTIVE
MaterialCOPPER ALLOY
Pump Model Number for Which Designed21685
Pump Design Control Activity76122
Mounting Base Length14.000 INCHES NOMINAL IN
Mounting Base Height6.000 INCHES NOMINAL IN
Mounting Base Width6.000 INCHES NOMINAL IN
Design TypeCRADLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5310-00-045-752121685 INTERCHANGEABLE
Washer,special
Mason Electric Co. Dba Mason Controls
5330-00-115-384609762-C-P INTERCHANGEABLE
Seal,mechanical,rotary Shaft
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
5342-01-144-607721685 INTERCHANGEABLE
Bumper
Alliance Laundry Systems Llc
5998-01-228-2575 INTERCHANGEABLE
Circuit Card Assembly
6515-01-267-2735216.085 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
4730-01-326-807721685 INTERCHANGEABLE
Elbow,flange to Tube
Parker Hannifin Corporation Div Hydraulic Systems Division
2910-01-562-890821685 INTERCHANGEABLE
Fuel,engine Oil
Willard Marine, Inc.
Cross-Reference Index
Part NumberManufacturer
21685 PRIMARY Industrial Technologies and Services Llc (USA)
Related Parts
5310-00-045-7521INTERCHANGEABLE
WASHER,SPECIAL
21685
5330-00-115-3846INTERCHANGEABLE
SEAL,MECHANICAL,ROTARY SHAFT
09762-C-P
5342-01-144-6077INTERCHANGEABLE
BUMPER
21685
5998-01-228-2575INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6515-01-267-2735INTERCHANGEABLE
SCREW,BONE
216.085
4730-01-326-8077INTERCHANGEABLE
ELBOW,FLANGE TO TUBE
21685
2910-01-562-8908INTERCHANGEABLE
FUEL,ENGINE OIL
21685

Frequently Asked Questions

What is NSN 4320-00-937-1153?

NSN 4320-00-937-1153 is a Base,pump, manufactured by Industrial Technologies and Services Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-937-1153?

NSN 4320-00-937-1153 has 1 cross-referenced part number: 21685 (Industrial Technologies and Services Llc).

What NSN replaces 4320-00-937-1153?

There are 7 known substitutes for 4320-00-937-1153: 5310-00-045-7521, 5330-00-115-3846, 5342-01-144-6077 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21685?

Key specifications for 21685: Material: COPPER ALLOY; Pump Model Number for Which Designed: 21685; Pump Design Control Activity: 76122; Mounting Base Length: 14.000 INCHES NOMINAL IN. 8 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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