PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21951Shaft and Piston As

Eaton Aerospace, Llc Dba Jackson South · NSN 1420-00-894-9592 · FSC 1420 · No Item Name Available
Verified by PartsTable
NSN 1420-00-894-9592 — this item is cataloged by the U.S. Government under National Stock Number 1420-00-894-9592. Primary manufacturer part number: 21951.
Features
  • Shaft and Piston As — FSC 1420
  • 2 verified cross-references
  • Primary manufacturer: Eaton Aerospace, Llc Dba Jackson South
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Shaft and Piston As, cataloged under National Stock Number 1420-00-894-9592, is classified within Federal Supply Class 1420 (No Item Name Available) of the Guided Missiles group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. This item has 2 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.

Catalog Facts
Item NameShaft and Piston As
FSC / FSG1420 — No Item Name Available (FSG 14)
ManufacturersUs Army Aviation and Missile Command (CAGE 18876); Eaton Aerospace, Llc Dba Jackson South (CAGE 62983)
Technical Specifications
ParameterValue
NSN1420-00-894-9592
Primary Part Number21951
Item NameShaft and Piston As
FSC / FSG1420 / 14 — No Item Name Available
ManufacturerEaton Aerospace, Llc Dba Jackson South
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5999-00-552-4618 INTERCHANGEABLE
Contact,electrical
5420-00-877-8682 INTERCHANGEABLE
Superstructure,interior Bay
4730-00-913-17622195-1 INTERCHANGEABLE
CAGE Unit,steam Trap
Velan Valve Corp.
5998-01-073-6886 INTERCHANGEABLE
Circuit Card Assembly
5961-01-123-627921951 INTERCHANGEABLE
Semiconductor Device,diode
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
6150-01-158-7677SM-D-430308 INTERCHANGEABLE
Cable Assembly-Switch,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
9978027 Us Army Aviation and Missile Command (USA)
21951 PRIMARY Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
5999-00-552-4618INTERCHANGEABLE
CONTACT,ELECTRICAL
5420-00-877-8682INTERCHANGEABLE
SUPERSTRUCTURE,INTERIOR BAY
4730-00-913-1762INTERCHANGEABLE
CAGE UNIT,STEAM TRAP
2195-1
5998-01-073-6886INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5961-01-123-6279INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
21951
6150-01-158-7677INTERCHANGEABLE
CABLE ASSEMBLY-SWITCH,ELECTRICAL
SM-D-430308

Frequently Asked Questions

What is NSN 1420-00-894-9592?

NSN 1420-00-894-9592 is a Shaft and Piston As, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 1420 (No Item Name Available). Status: active.

What are the part numbers for NSN 1420-00-894-9592?

NSN 1420-00-894-9592 has 2 cross-referenced part numbers: 9978027 (Us Army Aviation and Missile Command), 21951 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 1420-00-894-9592?

There are 6 known substitutes for 1420-00-894-9592: 5999-00-552-4618, 5420-00-877-8682, 4730-00-913-1762 and 3 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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