PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

533001Valve,plug

Fwd Seagrave Holdings Lp · NSN 4820-00-138-3919 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-138-3919 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-138-3919. Primary manufacturer part number: 533001.
Features
  • Valve,plug — FSC 4820
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Valve Operation Method: MANUAL
  • Features Provided: NONADJUSTABLE ROTATION
  • Thread Series Designator: NPT ALL ENDS
  • Nominal Thread Size: 0.125 INCHES ALL ENDS IN
  • Flow Style: TWO-WAY TWO PORT 90 DEGREE PLUG TURN
  • Material: COPPER ALLOY OVERALL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,plug, cataloged under National Stock Number 4820-00-138-3919, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-138-3919
Primary Part Number533001
Item NameValve,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusACTIVE
Thread DirectionRIGHT-HAND ALL ENDS
Valve Operation MethodMANUAL
Features ProvidedNONADJUSTABLE ROTATION
Thread Series DesignatorNPT ALL ENDS
Nominal Thread Size0.125 INCHES ALL ENDS IN
Flow StyleTWO-WAY TWO PORT 90 DEGREE PLUG TURN
MaterialCOPPER ALLOY OVERALL
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3910-00-405-3453555001 INTERCHANGEABLE
Conveyor,roller,gravity
Lite Cart Corp
5998-00-713-8316533001 INTERCHANGEABLE
Circuit Card Assembly
Raytheon Company Dba Raytheon
5306-00-942-2553533001 INTERCHANGEABLE
Bolt,machine
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5935-01-115-1976 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
533001 PRIMARY Fwd Seagrave Holdings Lp (USA)
Related Parts
3910-00-405-3453INTERCHANGEABLE
CONVEYOR,ROLLER,GRAVITY
555001
5998-00-713-8316INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
533001
5306-00-942-2553INTERCHANGEABLE
BOLT,MACHINE
533001
5935-01-115-1976INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 4820-00-138-3919?

NSN 4820-00-138-3919 is a Valve,plug, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-138-3919?

NSN 4820-00-138-3919 has 1 cross-referenced part number: 533001 (Fwd Seagrave Holdings Lp).

What NSN replaces 4820-00-138-3919?

There are 4 known substitutes for 4820-00-138-3919: 3910-00-405-3453, 5998-00-713-8316, 5306-00-942-2553 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 533001?

Key specifications for 533001: Thread Direction: RIGHT-HAND ALL ENDS; Valve Operation Method: MANUAL; Features Provided: NONADJUSTABLE ROTATION; Thread Series Designator: NPT ALL ENDS. 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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