PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S1028Valve,poppet,engine

Eaton Corp Dba Eaton Aerospace Jackson · NSN 2805-00-288-3861 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-288-3861 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-288-3861. Primary manufacturer part number: S1028.
Features
  • Valve,poppet,engine — FSC 2805
  • 5 verified cross-references
  • Primary manufacturer: Eaton Corp Dba Eaton Aerospace Jackson
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Valve,poppet,engine, cataloged under National Stock Number 2805-00-288-3861, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Eaton Corp Dba Eaton Aerospace Jackson. This item has 5 commercial cross-references from 5 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 NameValve,poppet,engine
FSC / FSG2805 — No Item Name Available (FSG 28)
ManufacturersHercules Engine Co Inc (CAGE 28265); Eaton Corp Dba Eaton Aerospace Jackson (CAGE 59875); Brinkley Technology Group Llc Dba Hercules Manufacturing (CAGE 1ML14); Dana Corp Engine Products Div (CAGE 77220); White Motor Corp (CAGE 65282)
Technical Specifications
ParameterValue
NSN2805-00-288-3861
Primary Part NumberS1028
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerEaton Corp Dba Eaton Aerospace Jackson
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-474-116296684 INTERCHANGEABLE
Tee,tube
Northrop Grumman Systems Corporation
4820-00-489-569596684 INTERCHANGEABLE
Valve,air Starting
Cooper Machinery Services Llc
5310-00-618-3403S1028 INTERCHANGEABLE
Washer,flat
Switchcraft Inc.
4730-00-640-1051137422 INTERCHANGEABLE
Elbow,pipe to Tube
Chrysler Realty Company Llc Dba Daimler Chrysler
5961-01-238-6451 INTERCHANGEABLE
Transistor
5996-01-298-2133 INTERCHANGEABLE
Amplifier,radio Frequency
Cross-Reference Index
Part NumberManufacturer
30558-A Hercules Engine Co Inc (USA)
S1028 PRIMARY Eaton Corp Dba Eaton Aerospace Jackson (USA)
30558-A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
D796 Dana Corp Engine Products Div (USA)
96684 White Motor Corp (USA)
Related Parts
4730-00-474-1162INTERCHANGEABLE
TEE,TUBE
96684
4820-00-489-5695INTERCHANGEABLE
VALVE,AIR STARTING
96684
5310-00-618-3403INTERCHANGEABLE
WASHER,FLAT
S1028
4730-00-640-1051INTERCHANGEABLE
ELBOW,PIPE TO TUBE
137422
5961-01-238-6451INTERCHANGEABLE
TRANSISTOR
5996-01-298-2133INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 2805-00-288-3861?

NSN 2805-00-288-3861 is a Valve,poppet,engine, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-288-3861?

NSN 2805-00-288-3861 has 5 cross-referenced part numbers: 30558-A (Hercules Engine Co Inc), S1028 (Eaton Corp Dba Eaton Aerospace Jackson), 30558-A (Brinkley Technology Group Llc Dba Hercules Manufacturing), D796 (Dana Corp Engine Products Div), 96684 (White Motor Corp).

What NSN replaces 2805-00-288-3861?

There are 6 known substitutes for 2805-00-288-3861: 4730-00-474-1162, 4820-00-489-5695, 5310-00-618-3403 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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