PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SY-12Ring,wearing

Circor Naval Solutions Llc Dba Warren Pumps · NSN 4320-01-520-7177 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-520-7177 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-520-7177. Primary manufacturer part number: SY-12.
Features
  • Ring,wearing — FSC 4320
  • 2 verified cross-references
  • Primary manufacturer: Circor Naval Solutions Llc Dba Warren Pumps
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-520-7177, 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. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-520-7177
Primary Part NumberSY-12
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCircor Naval Solutions Llc Dba Warren Pumps
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3130-00-108-067788879 INTERCHANGEABLE
Bearing Unit,ball
Cae Usa Inc.
Cross-Reference Index
Part NumberManufacturer
SY-12 PRIMARY Circor Naval Solutions Llc Dba Warren Pumps (USA)
A-1497-1 PC 54 Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
3130-00-108-0677INTERCHANGEABLE
BEARING UNIT,BALL
88879

Frequently Asked Questions

What is NSN 4320-01-520-7177?

NSN 4320-01-520-7177 is a Ring,wearing, 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 4320-01-520-7177?

NSN 4320-01-520-7177 has 2 cross-referenced part numbers: SY-12 (Circor Naval Solutions Llc Dba Warren Pumps), A-1497-1 PC 54 (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-01-520-7177?

There is 1 known substitute for 4320-01-520-7177: 3130-00-108-0677. Verify interchangeability with system specifications before substitution.

What are the specifications of SY-12?

Key specifications for SY-12: End Item Identification: PUMP RCIPG VSDA 14X 9 1-2X24 200GPM 800PSI. 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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