PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MARK VIIIValve,angle

Admiral Valve Llc Dba Cpv Manufacturing · NSN 4820-01-499-1079 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-499-1079 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-499-1079. Primary manufacturer part number: MARK VIII.
Features
  • Valve,angle — FSC 4820
  • Material: STEEL COMP 316 OVERALL
  • Connection Type: THREADED EXTERNAL PIPE SECOND END
  • Seat Angle: 37.0 DEGREES FIRST END
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
  • Style Designator: ANGLE
  • Furnished Items and Quantity: 1 HANDWHEEL
  • Connection Style: PLAIN (PIPE) SECOND END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-01-499-1079, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Admiral Valve Llc Dba Cpv Manufacturing. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-499-1079
Primary Part NumberMARK VIII
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAdmiral Valve Llc Dba Cpv Manufacturing
StatusACTIVE
MaterialSTEEL COMP 316 OVERALL
Connection TypeTHREADED EXTERNAL PIPE SECOND END
Seat Angle37.0 DEGREES FIRST END
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
Style DesignatorANGLE
Furnished Items and Quantity1 HANDWHEEL
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED EXTERNAL BOSS FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4140-01-114-9096KP711A INTERCHANGEABLE
Fan,centrifugal
Kooltronic, Inc.
6515-01-366-98012756 INTERCHANGEABLE
Respirometer
Medi-Mold Enterprise Inc
Cross-Reference Index
Part NumberManufacturer
MARK8 Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA)
MARK VIII PRIMARY Admiral Valve Llc Dba Cpv Manufacturing (USA)
MARK VIII Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA)
Related Parts
4140-01-114-9096INTERCHANGEABLE
FAN,CENTRIFUGAL
KP711A
6515-01-366-9801INTERCHANGEABLE
RESPIROMETER
2756

Frequently Asked Questions

What is NSN 4820-01-499-1079?

NSN 4820-01-499-1079 is a Valve,angle, manufactured by Admiral Valve Llc Dba Cpv Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-499-1079?

NSN 4820-01-499-1079 has 3 cross-referenced part numbers: MARK8 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am), MARK VIII (Admiral Valve Llc Dba Cpv Manufacturing), MARK VIII (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am).

What NSN replaces 4820-01-499-1079?

There are 2 known substitutes for 4820-01-499-1079: 4140-01-114-9096, 6515-01-366-9801. Verify interchangeability with system specifications before substitution.

What are the specifications of MARK VIII?

Key specifications for MARK VIII: Material: STEEL COMP 316 OVERALL; End Item Identification: DIESEL ENGINE; Special Features: END CONNECTIONS ARE 3/8-24 SAE O-RING MALE X 1/4" OD, 37 DEGREE JIC MALE; Connection Type: THREADED EXTERNAL PIPE SECOND END. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com