PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4336Valve,sea

Derbyshire Machine & Tool Co · NSN 4820-00-371-8923 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-371-8923 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-371-8923. Primary manufacturer part number: 4336.
Features
  • Valve,sea — FSC 4820
  • Reference Number Differentiating Characteristics: NAVY DRAWING NO.
  • 3 verified cross-references
  • Primary manufacturer: Derbyshire Machine & Tool Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,sea, cataloged under National Stock Number 4820-00-371-8923, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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
NSN4820-00-371-8923
Primary Part Number4336
Item NameValve,sea
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDerbyshire Machine & Tool Co
StatusACTIVE
Reference Number Differentiating CharacteristicsNAVY DRAWING NO.
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4720-00-393-3914 INTERCHANGEABLE
Hose Assembly,nonmetallic
5365-00-447-82834336 INTERCHANGEABLE
Bushing,nonmetallic
Skil Corp
5970-00-482-6279 INTERCHANGEABLE
Insulator,disk
5930-00-498-486830000-0-55 INTERCHANGEABLE
Switch,thermostatic
Kidde-Fenwal, Llc
5305-00-791-8093720211-27 INTERCHANGEABLE
Screw,shoulder
Raytheon Company Div Rmd Strategic
4330-01-136-88134336DG502 INTERCHANGEABLE
Filter,fluid
Howell Laboratories Inc Dba Howell Laboratories Inc
5340-01-181-39914336 INTERCHANGEABLE
Fastener,pawl
Adams Rite Aerospace, Inc
5365-01-215-63184336 INTERCHANGEABLE
Spacer Set,nested
Aerocontrolex Group, Inc. Div Talley Actuators
6850-01-348-30874336 INTERCHANGEABLE
Developer,indirect Electrostatic
Ricoh Americas Corporation
Cross-Reference Index
Part NumberManufacturer
4336 Derbyshire Machine & Tool Co (USA)
4810-935058PC1T06-12T014-16T019 Portsmouth Naval Shipyard (USA)
SSS4810-935058 Naval Ship Systems Command (USA)
Related Parts
4720-00-393-3914INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5365-00-447-8283INTERCHANGEABLE
BUSHING,NONMETALLIC
4336
5970-00-482-6279INTERCHANGEABLE
INSULATOR,DISK
5930-00-498-4868INTERCHANGEABLE
SWITCH,THERMOSTATIC
30000-0-55
5305-00-791-8093INTERCHANGEABLE
SCREW,SHOULDER
720211-27
4330-01-136-8813INTERCHANGEABLE
FILTER,FLUID
4336DG502
5340-01-181-3991INTERCHANGEABLE
FASTENER,PAWL
4336
5365-01-215-6318INTERCHANGEABLE
SPACER SET,NESTED
4336
6850-01-348-3087INTERCHANGEABLE
DEVELOPER,INDIRECT ELECTROSTATIC
4336

Frequently Asked Questions

What is NSN 4820-00-371-8923?

NSN 4820-00-371-8923 is a Valve,sea, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-371-8923?

NSN 4820-00-371-8923 has 3 cross-referenced part numbers: 4336 (Derbyshire Machine & Tool Co), 4810-935058PC1T06-12T014-16T019 (Portsmouth Naval Shipyard), SSS4810-935058 (Naval Ship Systems Command).

What NSN replaces 4820-00-371-8923?

There are 9 known substitutes for 4820-00-371-8923: 4720-00-393-3914, 5365-00-447-8283, 5970-00-482-6279 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4336?

Key specifications for 4336: Reference Number Differentiating Characteristics: NAVY DRAWING NO.. 1 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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