PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27517Ring,piston

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 4310-01-187-2807 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-01-187-2807 — this item is cataloged by the U.S. Government under National Stock Number 4310-01-187-2807. Primary manufacturer part number: 27517.
Features
  • Ring,piston — FSC 4310
  • FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM
  • 1 verified cross-reference
  • Primary manufacturer: Kaydon Ring & Seal Inc Dba Skf Precision Technologies
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,piston, cataloged under National Stock Number 4310-01-187-2807, is classified within Federal Supply Class 4310 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. Government technical data includes 1 verified specification, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4310-01-187-2807
Primary Part Number27517
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusACTIVE
FSC Application DataAIRCRAFT HYDRAULIC SYSTEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-273-77711199G111 INTERCHANGEABLE
Nut,plain,single Ball Seat,hexag
Meritor Heavy Vehicle Systems, Llc
Cross-Reference Index
Part NumberManufacturer
27517 PRIMARY Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
Related Parts
5310-00-273-7771INTERCHANGEABLE
NUT,PLAIN,SINGLE BALL SEAT,HEXAG
1199G111

Frequently Asked Questions

What is NSN 4310-01-187-2807?

NSN 4310-01-187-2807 is a Ring,piston, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-01-187-2807?

NSN 4310-01-187-2807 has 1 cross-referenced part number: 27517 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies).

What NSN replaces 4310-01-187-2807?

There is 1 known substitute for 4310-01-187-2807: 5310-00-273-7771. Verify interchangeability with system specifications before substitution.

What are the specifications of 27517?

Key specifications for 27517: FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; End Item Identification: KC-135 AIRCRAFT. 2 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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