PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

215421Ring,piston

Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations · NSN 4310-01-268-7400 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-268-7400 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-268-7400. Primary manufacturer part number: 215421.
Features
  • Ring,piston — FSC 4310
  • Ring Style: CONCENTRIC
  • Joint Style: VERTICAL JOINT
  • 3 verified cross-references
  • Primary manufacturer: Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-268-7400, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-268-7400
Primary Part Number215421
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerKoehring Cranes, Inc Dba Terex Cranes Div Waverly Operations
StatusACTIVE
Ring StyleCONCENTRIC
Joint StyleVERTICAL JOINT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-514-7724W13 INTERCHANGEABLE
Washer,lock
Skf Usa Inc.
5930-00-846-153025636 INTERCHANGEABLE
Switch,push-Pull
Camdec Corp
2915-00-910-5392207442 INTERCHANGEABLE
Impeller,pump,centrifugal
Eaton Corp Dba Eaton Aerospace Jackson
2010-01-316-700020744-2 INTERCHANGEABLE
Hub,propeller,ship
Propulsion Systems, Inc.
6750-01-413-1572207-442 INTERCHANGEABLE
Developer,photographic
Molecular Gps Enterprises Dba Clayton Chemical
4720-01-526-489325636 INTERCHANGEABLE
Tubing,nonmetallic
Liquid Metronics Inc
Cross-Reference Index
Part NumberManufacturer
25636 Paccar Winch Inc Dba Paccar Winch Division (USA)
215421 PRIMARY Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations (USA)
207442 Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations (USA)
Related Parts
5310-00-514-7724INTERCHANGEABLE
WASHER,LOCK
W13
5930-00-846-1530INTERCHANGEABLE
SWITCH,PUSH-PULL
25636
2915-00-910-5392INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
207442
2010-01-316-7000INTERCHANGEABLE
HUB,PROPELLER,SHIP
20744-2
6750-01-413-1572INTERCHANGEABLE
DEVELOPER,PHOTOGRAPHIC
207-442
4720-01-526-4893INTERCHANGEABLE
TUBING,NONMETALLIC
25636

Frequently Asked Questions

What is NSN 4310-01-268-7400?

NSN 4310-01-268-7400 is a Ring,piston, manufactured by Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-268-7400?

NSN 4310-01-268-7400 has 3 cross-referenced part numbers: 25636 (Paccar Winch Inc Dba Paccar Winch Division), 215421 (Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations), 207442 (Koehring Cranes, Inc Dba Terex Cranes Div Waverly Operations).

What NSN replaces 4310-01-268-7400?

There are 6 known substitutes for 4310-01-268-7400: 5310-00-514-7724, 5930-00-846-1530, 2915-00-910-5392 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 215421?

Key specifications for 215421: Ring Style: CONCENTRIC; Joint Style: VERTICAL JOINT; End Item Identification: 3810-01-165-0646. 3 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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