PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

709421Valve,linear,directional Control

Rolls-Royce Marine North America Inc · NSN 4820-01-303-6431 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-303-6431 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-303-6431. Primary manufacturer part number: 709421.
Features
  • Valve,linear,directional Control — FSC 4820
  • 7 verified cross-references
  • Primary manufacturer: Rolls-Royce Marine North America Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-303-6431, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Rolls-Royce Marine North America Inc. This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-303-6431
Primary Part Number709421
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRolls-Royce Marine North America Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2925-00-090-486171931 INTERCHANGEABLE
Block,center
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
3110-00-112-5786B912 INTERCHANGEABLE
Bearing,roller,needle
Toro Co the
5355-00-284-558035026 INTERCHANGEABLE
Knob
Telephonics Corp
5910-00-892-7970BBREX4173 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Cornell-Dubilier Marketing Inc
5365-01-357-091723208 INTERCHANGEABLE
Spacer,ring
Parker Hannifin Corporation Div Hydraulic Systems Division
9320-01-621-3295 INTERCHANGEABLE
Rubber Sheet,solid
Cross-Reference Index
Part NumberManufacturer
709421 Rolls-Royce Marine North America Inc (USA)
23208 Ulstein Bergen A/s (NOR)
709421-BE Rolls-Royce Marine North America Inc (USA)
23208 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
L641/39 Ulstein Bergen A/s (NOR)
23208 Rolls-Royce Marine North America Inc (USA)
707197 Rolls-Royce Marine North America Inc (USA)
Related Parts
2925-00-090-4861INTERCHANGEABLE
BLOCK,CENTER
71931
3110-00-112-5786INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
B912
5355-00-284-5580INTERCHANGEABLE
KNOB
35026
5910-00-892-7970INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
BBREX4173
5365-01-357-0917INTERCHANGEABLE
SPACER,RING
23208
9320-01-621-3295INTERCHANGEABLE
RUBBER SHEET,SOLID

Frequently Asked Questions

What is NSN 4820-01-303-6431?

NSN 4820-01-303-6431 is a Valve,linear,directional Control, manufactured by Rolls-Royce Marine North America Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-303-6431?

NSN 4820-01-303-6431 has 7 cross-referenced part numbers: 709421 (Rolls-Royce Marine North America Inc), 23208 (Ulstein Bergen A/s), 709421-BE (Rolls-Royce Marine North America Inc), 23208 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), L641/39 (Ulstein Bergen A/s) and 2 more.

What NSN replaces 4820-01-303-6431?

There are 6 known substitutes for 4820-01-303-6431: 2925-00-090-4861, 3110-00-112-5786, 5355-00-284-5580 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 709421?

Key specifications for 709421: Special Features: BRASS; PUSH BUTTON CONTROL. 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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