PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

83-545-29AValve,ball

Conbraco Industries Inc · NSN 4820-01-463-5646 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-463-5646 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-463-5646. Primary manufacturer part number: 83-545-29A.
Features
  • Valve,ball — FSC 4820
  • Nominal Thread Size: 1.000 INCHES ALL ENDS IN
  • Media for Which Designed: STEAM SECOND RESPONSE
  • Furnished Items and Quantity: 4 BOLT
  • Material: STEEL CORROSION RESISTING BODY
  • Material: GRAPHITE PACKING
  • Media for Which Designed: WATER-OIL-GAS FIRST RESPONSE
  • Operating Pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-463-5646, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Conbraco Industries Inc. Government technical data includes 17 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-463-5646
Primary Part Number83-545-29A
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerConbraco Industries Inc
StatusACTIVE
Nominal Thread Size1.000 INCHES ALL ENDS IN
Media for Which DesignedSTEAM SECOND RESPONSE
Furnished Items and Quantity4 BOLT
MaterialSTEEL CORROSION RESISTING BODY
MaterialGRAPHITE PACKING
Media for Which DesignedWATER-OIL-GAS FIRST RESPONSE
Operating Pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MaterialSTEEL CORROSION RESISTING STEM
Thread Series DesignatorNPT ALL ENDS
Operating Pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Style DesignatorSTRAIGHT THRU
MaterialGRAPHITE SEAT
Valve Operation MethodMANUAL
Thread DirectionRIGHT-HAND ALL ENDS
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4820-00-107-3004909532 INTERCHANGEABLE
Valve,ball
Vacu-Blast Corp
4820-01-346-9672T-580-70-1.25 INTERCHANGEABLE
Valve,ball
Nibco Inc Chemtrol Div
4820-01-425-687270-109-01A INTERCHANGEABLE
Valve,ball
Aalberts Integrated Piping Systems Americas, Inc.
4820-01-463-569283-543-29 INTERCHANGEABLE
Valve,ball
Conbraco Industries Inc
4820-01-503-649677-102-01 INTERCHANGEABLE
Valve,ball
Aalberts Integrated Piping Systems Americas, Inc.
Cross-Reference Index
Part NumberManufacturer
83-545-29 Conbraco Industries Inc (USA)
WW-V-35C Federal Specifications Promulgated by General Services Administration Washington DC (USA)
83-545-29A PRIMARY Conbraco Industries Inc (USA)
Related Parts
4820-00-107-3004INTERCHANGEABLE
VALVE,BALL
909532
4820-01-346-9672INTERCHANGEABLE
VALVE,BALL
T-580-70-1.25
4820-01-425-6872INTERCHANGEABLE
VALVE,BALL
70-109-01A
4820-01-463-5692INTERCHANGEABLE
VALVE,BALL
83-543-29
4820-01-503-6496INTERCHANGEABLE
VALVE,BALL
77-102-01

Frequently Asked Questions

What is NSN 4820-01-463-5646?

NSN 4820-01-463-5646 is a Valve,ball, manufactured by Conbraco Industries Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-463-5646?

NSN 4820-01-463-5646 has 3 cross-referenced part numbers: 83-545-29 (Conbraco Industries Inc), WW-V-35C (Federal Specifications Promulgated by General Services Administration Washington DC), 83-545-29A (Conbraco Industries Inc).

What NSN replaces 4820-01-463-5646?

There are 5 known substitutes for 4820-01-463-5646: 4820-00-107-3004, 4820-01-346-9672, 4820-01-425-6872 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 83-545-29A?

Key specifications for 83-545-29A: End Item Identification: END ITEM/SWBS-500; Nominal Thread Size: 1.000 INCHES ALL ENDS IN; Media for Which Designed: STEAM SECOND RESPONSE; Furnished Items and Quantity: 4 BOLT. 19 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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