PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101202-8Disk,valve

Derbyshire Machine & Tool Co · NSN 4820-01-312-2039 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-312-2039 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-312-2039. Primary manufacturer part number: 101202-8.
Features
  • Disk,valve — FSC 4820
  • Style Designator: POPPET
  • Media for Which Designed: WATER
  • Material: COPPER ALLOY
  • 3 verified cross-references
  • Primary manufacturer: Derbyshire Machine & Tool Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-312-2039, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 3 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-312-2039
Primary Part Number101202-8
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDerbyshire Machine & Tool Co
StatusACTIVE
Style DesignatorPOPPET
Media for Which DesignedWATER
MaterialCOPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-067-8648101202 INTERCHANGEABLE
Valve,gate
Maxon Corporation
5940-00-528-027410-120-2 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5930-01-171-7667101-202 INTERCHANGEABLE
Switch,rotary
Inficon Inc Dba Inficon Inc Div Iss
5330-01-358-8226101202 INTERCHANGEABLE
Gasket
Dynalec Corporation
6685-01-391-6010101202 INTERCHANGEABLE
Thermostat,flow Control
Boyd Corporation (woburn) Inc
4920-01-469-95670101202-1 INTERCHANGEABLE
Fixture,aircraft Maintenance
Bae Systems Land & Armaments L.p.
7930-01-508-4390101202 INTERCHANGEABLE
Remover,floor Finish
State Industrial Products Corp Dba State Industrial Products Div State Chemical Solutions
5985-01-599-8632101202 INTERCHANGEABLE
Mast
Tim Price Inc. Dba Tim Price Inc
Cross-Reference Index
Part NumberManufacturer
101202 PIECE 8 Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
101202-8 PRIMARY Derbyshire Machine & Tool Co (USA)
101202 Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings (USA)
Related Parts
4820-00-067-8648INTERCHANGEABLE
VALVE,GATE
101202
5940-00-528-0274INTERCHANGEABLE
TERMINAL,STUD
10-120-2
5930-01-171-7667INTERCHANGEABLE
SWITCH,ROTARY
101-202
5330-01-358-8226INTERCHANGEABLE
GASKET
101202
6685-01-391-6010INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
101202
4920-01-469-9567INTERCHANGEABLE
FIXTURE,AIRCRAFT MAINTENANCE
0101202-1
7930-01-508-4390INTERCHANGEABLE
REMOVER,FLOOR FINISH
101202
5985-01-599-8632INTERCHANGEABLE
MAST
101202

Frequently Asked Questions

What is NSN 4820-01-312-2039?

NSN 4820-01-312-2039 is a Disk,valve, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-312-2039?

NSN 4820-01-312-2039 has 3 cross-referenced part numbers: 101202 PIECE 8 (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings), 101202-8 (Derbyshire Machine & Tool Co), 101202 (Service Brass and Aluminum Foundry Co, Inc. Dba Service Brass Fittings).

What NSN replaces 4820-01-312-2039?

There are 8 known substitutes for 4820-01-312-2039: 4820-00-067-8648, 5940-00-528-0274, 5930-01-171-7667 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101202-8?

Key specifications for 101202-8: Style Designator: POPPET; Media for Which Designed: WATER; Material: COPPER ALLOY. 3 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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