PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-51754CRing,wearing

Fairbanks Morse, Llc · NSN 4320-00-302-1931 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-302-1931 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-302-1931. Primary manufacturer part number: 2-51754C.
Features
  • Ring,wearing — FSC 4320
  • 14 verified cross-references
  • Primary manufacturer: Fairbanks Morse, Llc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-302-1931, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Fairbanks Morse, Llc. This item has 14 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,wearing
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersFairbanks Morse, Llc (CAGE 7PZX0); Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (CAGE 10613); Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (CAGE 82796)
Technical Specifications
ParameterValue
NSN4320-00-302-1931
Primary Part Number2-51754C
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerFairbanks Morse, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-275-6635 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
2-51754C PRIMARY Fairbanks Morse, Llc (USA)
5-56771SH3PC36 PRIMARY Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA)
2-51754C Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
5-56736ALT1SH1PC36 PRIMARY Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA)
5-56736ALT1SH1ITEM3 PRIMARY Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA)
51754-15 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
CR4L8 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
56687SH1PC7 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
56687SH1PC7 PRIMARY Fairbanks Morse, Llc (USA)
56687SH2PC7 PRIMARY Fairbanks Morse, Llc (USA)
5-56771SH1-1-100232ITEM3 PRIMARY Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA)
CR4L8 PRIMARY Fairbanks Morse, Llc (USA)
51754-15 PRIMARY Pentair Pump Group, Inc. Dba Fairbanks Morse Pump (USA)
56687SH2PC7 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
Related Parts
5310-00-275-6635INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 4320-00-302-1931?

NSN 4320-00-302-1931 is a Ring,wearing, manufactured by Fairbanks Morse, Llc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-302-1931?

NSN 4320-00-302-1931 has 14 cross-referenced part numbers: 2-51754C (Fairbanks Morse, Llc), 5-56771SH3PC36 (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump), 2-51754C (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 5-56736ALT1SH1PC36 (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump), 5-56736ALT1SH1ITEM3 (Pentair Pump Group, Inc. Dba Fairbanks Morse Pump) and 9 more.

What NSN replaces 4320-00-302-1931?

There is 1 known substitute for 4320-00-302-1931: 5310-00-275-6635. Verify interchangeability with system specifications before substitution.

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