PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

890990C1Retainer,pump

Komatsu American Intl Co · NSN 4320-00-936-3761 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-936-3761 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-936-3761. Primary manufacturer part number: 890990C1.
Features
  • Retainer,pump — FSC 4320
  • General Characteristics Item Description: 0.315 IN. LG,ONE END 0.355 OD,OTHER END 0.316 IN. OD,0.219 IN. BORE,0.219 @IN. SLOT,0.090 IN. DEEP ON LARGEST IN
  • 4 verified cross-references
  • Primary manufacturer: Komatsu American Intl Co
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Retainer,pump, cataloged under National Stock Number 4320-00-936-3761, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Komatsu American Intl Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-936-3761
Primary Part Number890990C1
Item NameRetainer,pump
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerKomatsu American Intl Co
StatusACTIVE
General Characteristics Item Description0.315 IN. LG,ONE END 0.355 OD,OTHER END 0.316 IN. OD,0.219 IN. BORE,0.219 @IN. SLOT,0.090 IN. DEEP ON LARGEST IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5133-00-189-9279 INTERCHANGEABLE
Drill,twist
3110-00-227-4612AG-11404 INTERCHANGEABLE
Bearing,roller,needle
Rbc Aircraft Products, Inc.
5110-00-299-707111404 INTERCHANGEABLE
Scraper
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5330-00-593-9998 INTERCHANGEABLE
Seal,rotary
6665-00-674-4455 INTERCHANGEABLE
Terminal Board,equi
6240-00-731-5071920116 INTERCHANGEABLE
Lamp,glow
Astronics Test Systems Inc
3030-01-038-174611404 INTERCHANGEABLE
Belts,v,matched Set
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4730-01-192-7142 INTERCHANGEABLE
Elbow,pipe
5330-01-304-7766 INTERCHANGEABLE
Seal,plain
5985-01-371-5512 INTERCHANGEABLE
Coupler,antenna
Cross-Reference Index
Part NumberManufacturer
890990C1 Komatsu American Intl Co (USA)
890990C1 Komatsu America Corp. (USA)
11404 Dana Corp Tyrone Hydraulics Inc Div (USA)
890990C1 Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/ (USA)
Related Parts
5133-00-189-9279INTERCHANGEABLE
DRILL,TWIST
3110-00-227-4612INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
AG-11404
5110-00-299-7071INTERCHANGEABLE
SCRAPER
11404
5330-00-593-9998INTERCHANGEABLE
SEAL,ROTARY
6665-00-674-4455INTERCHANGEABLE
TERMINAL BOARD,EQUI
6240-00-731-5071INTERCHANGEABLE
LAMP,GLOW
920116
3030-01-038-1746INTERCHANGEABLE
BELTS,V,MATCHED SET
11404
4730-01-192-7142INTERCHANGEABLE
ELBOW,PIPE
5330-01-304-7766INTERCHANGEABLE
SEAL,PLAIN
5985-01-371-5512INTERCHANGEABLE
COUPLER,ANTENNA
5950-01-394-3629INTERCHANGEABLE
REACTOR
8465-01-514-2890INTERCHANGEABLE
GOGGLES,SUN,WIND AND DUST

Frequently Asked Questions

What is NSN 4320-00-936-3761?

NSN 4320-00-936-3761 is a Retainer,pump, manufactured by Komatsu American Intl Co, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-936-3761?

NSN 4320-00-936-3761 has 4 cross-referenced part numbers: 890990C1 (Komatsu American Intl Co), 890990C1 (Komatsu America Corp.), 11404 (Dana Corp Tyrone Hydraulics Inc Div), 890990C1 (Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/).

What NSN replaces 4320-00-936-3761?

There are 12 known substitutes for 4320-00-936-3761: 5133-00-189-9279, 3110-00-227-4612, 5110-00-299-7071 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 890990C1?

Key specifications for 890990C1: General Characteristics Item Description: 0.315 IN. LG,ONE END 0.355 OD,OTHER END 0.316 IN. OD,0.219 IN. BORE,0.219 @IN. SLOT,0.090 IN. DEEP ON LARGEST 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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