PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

316502Retainer,piston

Eaton Aerospace, Llc Dba Jackson South · NSN 4320-00-249-4397 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-249-4397 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-249-4397. Primary manufacturer part number: 316502.
Features
  • Retainer,piston — FSC 4320
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Retainer,piston, cataloged under National Stock Number 4320-00-249-4397, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRetainer,piston
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersEaton Aerospace, Llc Dba Jackson South (CAGE 62983)
Technical Specifications
ParameterValue
NSN4320-00-249-4397
Primary Part Number316502
Item NameRetainer,piston
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6515-00-339-34002-160 INTERCHANGEABLE
Gag,mouth
Integra Lifesciences Corporation
2915-00-933-5420316502 INTERCHANGEABLE
Heat Shield,fuel Manifold Inlet
Corning Glass Works
Cross-Reference Index
Part NumberManufacturer
316502 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
6515-00-339-3400INTERCHANGEABLE
GAG,MOUTH
2-160
2915-00-933-5420INTERCHANGEABLE
HEAT SHIELD,FUEL MANIFOLD INLET
316502

Frequently Asked Questions

What is NSN 4320-00-249-4397?

NSN 4320-00-249-4397 is a Retainer,piston, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-249-4397?

NSN 4320-00-249-4397 has 1 cross-referenced part number: 316502 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-249-4397?

There are 2 known substitutes for 4320-00-249-4397: 6515-00-339-3400, 2915-00-933-5420. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com