PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7-314Ring,piston

Hader-Seitz Inc · NSN 2805-01-309-9857 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-01-309-9857 — this item is cataloged by the U.S. Government under National Stock Number 2805-01-309-9857. Primary manufacturer part number: 7-314.
Features
  • Ring,piston — FSC 2805
  • 1 verified cross-reference
  • Primary manufacturer: Hader-Seitz Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ring,piston, cataloged under National Stock Number 2805-01-309-9857, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Hader-Seitz Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,piston
FSC / FSG2805 — No Item Name Available (FSG 28)
ManufacturersHader-Seitz Inc (CAGE 14108)
Technical Specifications
ParameterValue
NSN2805-01-309-9857
Primary Part Number7-314
Item NameRing,piston
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerHader-Seitz Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4130-00-136-8864 INTERCHANGEABLE
Filter-Drier,refrigerant
3110-00-156-8173177003-53 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
3110-00-190-66470R283716 INTERCHANGEABLE
Bearing,roller,needle
Timken Aerospace, Inc Dba Torrington Product
5950-00-502-4305C12520-7 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation
3110-00-554-2987314Z INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5940-00-718-9913104305-203 INTERCHANGEABLE
Terminal,lug
L3harris Technologies, Inc.
5310-00-846-8458SCB68422-2 INTERCHANGEABLE
Washer,flat
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5340-00-868-038421321-1 INTERCHANGEABLE
Button,plug
Bradford Vibrators Co the
5340-01-028-60937314-625 INTERCHANGEABLE
Hinge,butt
Bommer Industries, Inc.
5305-01-160-1990DS-936417 INTERCHANGEABLE
Screw,cap,socket Head
Eaton Aerospace, Llc Dba Jackson South
Cross-Reference Index
Part NumberManufacturer
7-314 PRIMARY Hader-Seitz Inc (USA)
Related Parts
4130-00-136-8864INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
3110-00-156-8173INTERCHANGEABLE
BEARING,BALL,ANNULAR
177003-53
3110-00-190-6647INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
0R283716
5950-00-502-4305INTERCHANGEABLE
COIL,RADIO FREQUENCY
C12520-7
3110-00-554-2987INTERCHANGEABLE
BEARING,BALL,ANNULAR
314Z
5940-00-718-9913INTERCHANGEABLE
TERMINAL,LUG
104305-203
5310-00-846-8458INTERCHANGEABLE
WASHER,FLAT
SCB68422-2
5340-00-868-0384INTERCHANGEABLE
BUTTON,PLUG
21321-1
5340-01-028-6093INTERCHANGEABLE
HINGE,BUTT
7314-625
5305-01-160-1990INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
DS-936417
5950-01-339-6675INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
142614-0001
5130-01-400-0053INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 2805-01-309-9857?

NSN 2805-01-309-9857 is a Ring,piston, manufactured by Hader-Seitz Inc, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-01-309-9857?

NSN 2805-01-309-9857 has 1 cross-referenced part number: 7-314 (Hader-Seitz Inc).

What NSN replaces 2805-01-309-9857?

There are 12 known substitutes for 2805-01-309-9857: 4130-00-136-8864, 3110-00-156-8173, 3110-00-190-6647 and 9 more. Verify interchangeability with system specifications before substitution.

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