PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5-8431 1/2Valve,globe

Flowserve Inc · NSN 4820-00-896-5978 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-896-5978 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-896-5978. Primary manufacturer part number: 5-8431 1/2.
Features
  • Valve,globe — FSC 4820
  • Thread Series Designator: NPT ALL ENDS
  • Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
  • Bonnet Type: INSIDE SCREW
  • Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Bonnet Attachment Method: UNION
  • Thread Direction: RIGHT-HAND ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Uns K03504 Body construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-00-896-5978, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-896-5978
Primary Part Number5-8431 1/2
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Thread Series DesignatorNPT ALL ENDS
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Bonnet TypeINSIDE SCREW
Maximum Operating Temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Bonnet Attachment MethodUNION
Thread DirectionRIGHT-HAND ALL ENDS
Valve Operation MethodMANUAL
Features ProvidedBONNET PACKING
Flow Control DeviceNEEDLE
MaterialSTEEL UNS K03504 BODY
Nominal Thread Size0.500 INCHES ALL ENDS IN
Style DesignatorSTRAIGHT THRU
Operating Pressure4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4920-00-212-3085SWE8433D INTERCHANGEABLE
Base Plate,propeller
Hydratight Operations Inc
5120-00-230-6373 INTERCHANGEABLE
Handle,socket Wrench
6125-00-839-79048433 INTERCHANGEABLE
Stator,motor-Generator
Kurz & Root Generator Company, Llc
5950-00-864-36342106388 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-864-53058-433N300-90 INTERCHANGEABLE
Retainer,packing
Parker-Hannifin Corp Div O-Ring Division
3120-00-903-3221 INTERCHANGEABLE
Bearing,sleeve
6530-01-039-476130-1093-250 INTERCHANGEABLE
Pad,bed Linen Protective
Parke-Davis Div of Warner-Lambert Co
5330-01-182-579158433 INTERCHANGEABLE
Retainer,packing
Hamilton Sundstrand Corporation
2590-01-195-6988A20131-14 INTERCHANGEABLE
Control Assembly,push-Pull
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5340-01-213-39718433 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
5-8431 1/2 PRIMARY Flowserve Inc (USA)
8433 Air Products & Chemicals, Inc (USA)
8433 Flowserve Inc (USA)
5-8433 Flowserve Inc (USA)
Related Parts
4920-00-212-3085INTERCHANGEABLE
BASE PLATE,PROPELLER
SWE8433D
5120-00-230-6373INTERCHANGEABLE
HANDLE,SOCKET WRENCH
6125-00-839-7904INTERCHANGEABLE
STATOR,MOTOR-GENERATOR
8433
5950-00-864-3634INTERCHANGEABLE
TRANSFORMER,POWER
2106388
5330-00-864-5305INTERCHANGEABLE
RETAINER,PACKING
8-433N300-90
3120-00-903-3221INTERCHANGEABLE
BEARING,SLEEVE
6530-01-039-4761INTERCHANGEABLE
PAD,BED LINEN PROTECTIVE
30-1093-250
5330-01-182-5791INTERCHANGEABLE
RETAINER,PACKING
58433
2590-01-195-6988INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
A20131-14
5340-01-213-3971INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8433
3040-01-217-2707INTERCHANGEABLE
GEARSHAFT,SPUR
8433
7045-01-490-7303INTERCHANGEABLE
CASE,COMPUTER
74565

Frequently Asked Questions

What is NSN 4820-00-896-5978?

NSN 4820-00-896-5978 is a Valve,globe, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-896-5978?

NSN 4820-00-896-5978 has 4 cross-referenced part numbers: 5-8431 1/2 (Flowserve Inc), 8433 (Air Products & Chemicals, Inc), 8433 (Flowserve Inc), 5-8433 (Flowserve Inc).

What NSN replaces 4820-00-896-5978?

There are 12 known substitutes for 4820-00-896-5978: 4920-00-212-3085, 5120-00-230-6373, 6125-00-839-7904 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5-8431 1/2?

Key specifications for 5-8431 1/2: Thread Series Designator: NPT ALL ENDS; Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS; Bonnet Type: INSIDE SCREW; Maximum Operating Temp: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF. 16 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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