PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

102099H1Cock,shutoff,screw Stem

Komatsu American Intl Co · NSN 4820-00-288-9273 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-288-9273 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-288-9273. Primary manufacturer part number: 102099H1.
Features
  • Cock,shutoff,screw Stem — FSC 4820
  • Nominal Thread Size: 0.562 INCHES SECOND END IN
  • Thread Class: 3A SECOND END A
  • Flow Control Device: STEM
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Valve Operation Method: MANUAL
  • Connection Type: THREADED EXTERNAL TUBE SECOND END
  • Thread Direction: RIGHT-HAND ALL ENDS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,shutoff,screw Stem, cataloged under National Stock Number 4820-00-288-9273, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Komatsu American Intl Co. Government technical data includes 15 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-288-9273
Primary Part Number102099H1
Item NameCock,shutoff,screw Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerKomatsu American Intl Co
StatusCANCELLED
Nominal Thread Size0.562 INCHES SECOND END IN
Thread Class3A SECOND END A
Flow Control DeviceSTEM
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Valve Operation MethodMANUAL
Connection TypeTHREADED EXTERNAL TUBE SECOND END
Thread DirectionRIGHT-HAND ALL ENDS
Connection StylePLAIN (PIPE) FIRST END
Thread Series DesignatorUNEF SECOND END
Thread Series DesignatorNPTF FIRST END
Furnished Items and Quantity1 FERRULE AND 1 NUT
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.250 INCHES FIRST END IN
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection StylePLAIN (TUBE) SECOND END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5970-00-306-9465 INTERCHANGEABLE
Insulator,plate
5998-00-527-8255102099 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
5905-01-023-75753339H-1-502 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Bourns Inc
5930-01-375-9451102099N INTERCHANGEABLE
Switch,lever
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
Cross-Reference Index
Part NumberManufacturer
102099H1 Komatsu American Intl Co (USA)
303EF Imperial (USA)
102099 Komatsu American Intl Co (USA)
Related Parts
5970-00-306-9465INTERCHANGEABLE
INSULATOR,PLATE
5998-00-527-8255INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
102099
5905-01-023-7575INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
3339H-1-502
5930-01-375-9451INTERCHANGEABLE
SWITCH,LEVER
102099N

Frequently Asked Questions

What is NSN 4820-00-288-9273?

NSN 4820-00-288-9273 is a Cock,shutoff,screw Stem, manufactured by Komatsu American Intl Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-288-9273?

NSN 4820-00-288-9273 has 3 cross-referenced part numbers: 102099H1 (Komatsu American Intl Co), 303EF (Imperial), 102099 (Komatsu American Intl Co).

What NSN replaces 4820-00-288-9273?

There are 4 known substitutes for 4820-00-288-9273: 5970-00-306-9465, 5998-00-527-8255, 5905-01-023-7575 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 102099H1?

Key specifications for 102099H1: Nominal Thread Size: 0.562 INCHES SECOND END IN; Thread Class: 3A SECOND END A; Flow Control Device: STEM; Connection Type: THREADED EXTERNAL PIPE FIRST END. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-288-9273 still in active supply?

NSN 4820-00-288-9273 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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