PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

94478Seat,valve

Honeywell International Inc. Div Aerospace - Torrance · NSN 4810-00-694-5802 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-694-5802 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-694-5802. Primary manufacturer part number: 94478.
Features
  • Seat,valve — FSC 4810
  • Seating Surface Shape: ANGULAR
  • Body Outside Diameter: 0.6256 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Seat Angle in Deg: 30.000 NOMINAL
  • Style Designator: PLAIN
  • Surface Treatment: ANODIZE OVERALL
  • Body Inside Diameter: 0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4810-00-694-5802, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-694-5802
Primary Part Number94478
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerHoneywell International Inc. Div Aerospace - Torrance
StatusACTIVE
Seating Surface ShapeANGULAR
Body Outside Diameter0.6256 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY 2024 OVERALL
Seat Angle in Deg30.000 NOMINAL
Style DesignatorPLAIN
Surface TreatmentANODIZE OVERALL
Body Inside Diameter0.250 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-414-1878U5LB1158 AND U5LB1159 INTERCHANGEABLE
Gasket Set
Perkins Engines Inc
5998-01-034-769594478 INTERCHANGEABLE
Circuit Card Assembly
Unison Industries Llc
3020-01-609-740894478 INTERCHANGEABLE
Gear,spur
Naval Surface Warfare Center Dahlgren Div
5975-01-689-733494478 INTERCHANGEABLE
Chassis,electrical-Electronic Eq
Espey Mfg and Electronics Corp
5905-01-691-3011M1-180-160-2-7-2 INTERCHANGEABLE
Resistor,thermal
Sensata Technologies, Inc. Div Sensata Attleboro
Cross-Reference Index
Part NumberManufacturer
94478 PRIMARY Honeywell International Inc. Div Aerospace - Torrance (USA)
94478 Alliedsignal Inc Dba Allied-Signal Aerospace Co (USA)
Related Parts
5330-00-414-1878INTERCHANGEABLE
GASKET SET
U5LB1158 AND U5LB1159
5998-01-034-7695INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
94478
3020-01-609-7408INTERCHANGEABLE
GEAR,SPUR
94478
5975-01-689-7334INTERCHANGEABLE
CHASSIS,ELECTRICAL-ELECTRONIC EQ
94478
5905-01-691-3011INTERCHANGEABLE
RESISTOR,THERMAL
M1-180-160-2-7-2

Frequently Asked Questions

What is NSN 4810-00-694-5802?

NSN 4810-00-694-5802 is a Seat,valve, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-694-5802?

NSN 4810-00-694-5802 has 2 cross-referenced part numbers: 94478 (Honeywell International Inc. Div Aerospace - Torrance), 94478 (Alliedsignal Inc Dba Allied-Signal Aerospace Co).

What NSN replaces 4810-00-694-5802?

There are 5 known substitutes for 4810-00-694-5802: 5330-00-414-1878, 5998-01-034-7695, 3020-01-609-7408 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 94478?

Key specifications for 94478: Seating Surface Shape: ANGULAR; Overall Height: 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN; Body Outside Diameter: 0.6256 INCHES MINIMUM AND 0.6260 INCHES MAXIMUM IN; Material: ALUMINUM ALLOY 2024 OVERALL. 8 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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