PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31G42Valve,flow Control

Astec Industries Inc Div Astec Ind. · NSN 4820-00-209-1597 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-209-1597 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-209-1597. Primary manufacturer part number: 31G42.
Features
  • Valve,flow Control — FSC 4820
  • Body Material: STEEL
  • Nominal Thread Size: 0.500 INCHES IN
  • End Connection Quantity: 3
  • Valve Size: 0.500 INCHES IN
  • Thread Series Designator: NPT
  • Connection Type: THREADED INTERNAL PIPE
  • 5 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-00-209-1597, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Astec Industries Inc Div Astec Ind.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN4820-00-209-1597
Primary Part Number31G42
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAstec Industries Inc Div Astec Ind.
StatusACTIVE
Body MaterialSTEEL
Nominal Thread Size0.500 INCHES IN
End Connection Quantity3
Valve Size0.500 INCHES IN
Thread Series DesignatorNPT
Connection TypeTHREADED INTERNAL PIPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-075-04362818 INTERCHANGEABLE
Seat,valve
Lawler Manufacturing Company, Inc.
6515-00-262-67752818 INTERCHANGEABLE
Catheter and Needle Unit,intrave
Becton Dickinson and Co Acutecare Div
5306-00-360-79991537405 INTERCHANGEABLE
Bolt,machine
General Motors Corp
2825-00-388-11792818 INTERCHANGEABLE
Ring,seal Oil Beari
Northrop Grumman Systems Corporation Div Marine Systems
2530-00-409-8821 INTERCHANGEABLE
Steering Wheel
6920-00-671-6584 INTERCHANGEABLE
Fairing Assembly,ta
2520-00-692-57262818 INTERCHANGEABLE
Key,clutch,pressure
Sachs-Boge of America
5950-00-790-01642818 INTERCHANGEABLE
Transformer,power
Precision Electronics, Inc
5920-00-824-41302818 INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
5950-00-864-49132818 INTERCHANGEABLE
Transformer,power
Elnetic Electronics Inc
Cross-Reference Index
Part NumberManufacturer
31G42 Barber-Greene Co (USA)
31G42 Minnpar, Llc Dba Minnpar (USA)
2818 Minnpar, Llc Dba Minnpar (USA)
31G42 PRIMARY Astec Industries Inc Div Astec Ind. (USA)
2818 Barber-Greene Co (USA)
Related Parts
4820-00-075-0436INTERCHANGEABLE
SEAT,VALVE
2818
6515-00-262-6775INTERCHANGEABLE
CATHETER AND NEEDLE UNIT,INTRAVE
2818
5306-00-360-7999INTERCHANGEABLE
BOLT,MACHINE
1537405
2825-00-388-1179INTERCHANGEABLE
RING,SEAL OIL BEARI
2818
2530-00-409-8821INTERCHANGEABLE
STEERING WHEEL
6920-00-671-6584INTERCHANGEABLE
FAIRING ASSEMBLY,TA
2520-00-692-5726INTERCHANGEABLE
KEY,CLUTCH,PRESSURE
2818
5950-00-790-0164INTERCHANGEABLE
TRANSFORMER,POWER
2818
5920-00-824-4130INTERCHANGEABLE
FUSEHOLDER,BLOCK
2818
5950-00-864-4913INTERCHANGEABLE
TRANSFORMER,POWER
2818
5340-01-078-8619INTERCHANGEABLE
SUPPORT ADAPTER STAND
2818
3040-01-197-4296INTERCHANGEABLE
SHAFT,VALVE
2818

Frequently Asked Questions

What is NSN 4820-00-209-1597?

NSN 4820-00-209-1597 is a Valve,flow Control, manufactured by Astec Industries Inc Div Astec Ind., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-209-1597?

NSN 4820-00-209-1597 has 5 cross-referenced part numbers: 31G42 (Barber-Greene Co), 31G42 (Minnpar, Llc Dba Minnpar), 2818 (Minnpar, Llc Dba Minnpar), 31G42 (Astec Industries Inc Div Astec Ind.), 2818 (Barber-Greene Co).

What NSN replaces 4820-00-209-1597?

There are 12 known substitutes for 4820-00-209-1597: 4820-00-075-0436, 6515-00-262-6775, 5306-00-360-7999 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31G42?

Key specifications for 31G42: Body Material: STEEL; Nominal Thread Size: 0.500 INCHES IN; End Connection Quantity: 3; Valve Size: 0.500 INCHES IN. 6 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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