PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78375Disk,valve

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 4820-01-398-8460 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-398-8460 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-398-8460. Primary manufacturer part number: 78375.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Flange Diameter: 0.123 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
  • 5 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-398-8460, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-398-8460
Primary Part Number78375
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Flange Diameter0.123 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3110-00-117-06431100R INTERCHANGEABLE
Roller,bearing
Rbc Bearings Incorporated Div West Trenton Division
5342-00-126-786081597 INTERCHANGEABLE
Bracket
Telemechanics Inc
5310-00-151-5011 INTERCHANGEABLE
Washer,lock
3020-00-352-688479334 INTERCHANGEABLE
Gear Cluster
Fwd Seagrave Holdings Lp
5998-00-426-484179334 INTERCHANGEABLE
Circuit Card Assembly
Drs Signal Solutions, Inc.
1730-01-102-01168159-7 INTERCHANGEABLE
Tire Assembly
Columbus Jack Corporation Div Columbus Jack
3610-01-193-0958081597 INTERCHANGEABLE
Pad,friction
Abd Intl Inc Dba Abdick
5330-01-273-552179334 INTERCHANGEABLE
Seal,inflatable
Eaton Corporation Dba Eaton Inoac Div Eaton
5340-01-684-395781597 INTERCHANGEABLE
Lever,manual Control
Champion Road Machinery Inc
Cross-Reference Index
Part NumberManufacturer
79334 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
81597 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
81597 ITEM 13 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
78375 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
79334 ITEM 13 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
3110-00-117-0643INTERCHANGEABLE
ROLLER,BEARING
1100R
5342-00-126-7860INTERCHANGEABLE
BRACKET
81597
5310-00-151-5011INTERCHANGEABLE
WASHER,LOCK
3020-00-352-6884INTERCHANGEABLE
GEAR CLUSTER
79334
5998-00-426-4841INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
79334
1730-01-102-0116INTERCHANGEABLE
TIRE ASSEMBLY
8159-7
3610-01-193-0958INTERCHANGEABLE
PAD,FRICTION
081597
5330-01-273-5521INTERCHANGEABLE
SEAL,INFLATABLE
79334
5340-01-684-3957INTERCHANGEABLE
LEVER,MANUAL CONTROL
81597

Frequently Asked Questions

What is NSN 4820-01-398-8460?

NSN 4820-01-398-8460 is a Disk,valve, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-398-8460?

NSN 4820-01-398-8460 has 5 cross-referenced part numbers: 79334 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 81597 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 81597 ITEM 13 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 78375 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 79334 ITEM 13 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 4820-01-398-8460?

There are 9 known substitutes for 4820-01-398-8460: 3110-00-117-0643, 5342-00-126-7860, 5310-00-151-5011 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 78375?

Key specifications for 78375: Overall Height: 1.070 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING; Flange Diameter: 0.123 INCHES MINIMUM AND 0.124 INCHES MAXIMUM IN. 3 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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