PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

100-337Disk,valve

Hoffman/new Yorker Inc · NSN 4820-01-127-6549 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-127-6549 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-127-6549. Primary manufacturer part number: 100-337.
Features
  • Disk,valve — FSC 4820
  • Style Designator: POPPET
  • Flange Diameter: 0.682 INCHES NOMINAL IN
  • Shank Diameter: 0.305 INCHES NOMINAL IN
  • Material: ALUMINUM ALLOY AND RUBBER
  • 4 verified cross-references
  • Primary manufacturer: Hoffman/new Yorker Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Aluminum Alloy and Rubber construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-127-6549, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hoffman/new Yorker Inc. Government technical data includes 4 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-127-6549
Primary Part Number100-337
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHoffman/new Yorker Inc
StatusACTIVE
Style DesignatorPOPPET
Flange Diameter0.682 INCHES NOMINAL IN
Shank Diameter0.305 INCHES NOMINAL IN
MaterialALUMINUM ALLOY AND RUBBER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5910-00-079-56724TMS20 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Sprague Electric Co World Hqs
5360-00-369-9806100337 INTERCHANGEABLE
Spring
Lucent Technologies Inc Corporate Headquarters
5940-00-681-8184 INTERCHANGEABLE
Terminal,lug
5985-00-883-2452100337 INTERCHANGEABLE
Attenuator,variable
Logimetrics Inc
5310-00-898-9693100337 INTERCHANGEABLE
Washer,key
Woodward Hrt Inc
1730-00-910-0070100337 INTERCHANGEABLE
Rod End Assembly,cy
Tenneco Inc
4810-01-316-2387 INTERCHANGEABLE
Seat,valve
5930-01-318-3572 INTERCHANGEABLE
Switch,pressure
3040-01-541-6091100337 INTERCHANGEABLE
Lining,friction
Finn Corp Dba Finn Corp
Cross-Reference Index
Part NumberManufacturer
AP-402 Hoffman/new Yorker Inc (USA)
100-337 PRIMARY Hoffman/new Yorker Inc (USA)
AP-400-1 Hoffman/new Yorker Inc (USA)
AP-400-1 Hoffman/new Yorker, Inc. (USA)
Related Parts
5910-00-079-5672INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
4TMS20
5360-00-369-9806INTERCHANGEABLE
SPRING
100337
5940-00-681-8184INTERCHANGEABLE
TERMINAL,LUG
5985-00-883-2452INTERCHANGEABLE
ATTENUATOR,VARIABLE
100337
5310-00-898-9693INTERCHANGEABLE
WASHER,KEY
100337
1730-00-910-0070INTERCHANGEABLE
ROD END ASSEMBLY,CY
100337
4810-01-316-2387INTERCHANGEABLE
SEAT,VALVE
5930-01-318-3572INTERCHANGEABLE
SWITCH,PRESSURE
3040-01-541-6091INTERCHANGEABLE
LINING,FRICTION
100337

Frequently Asked Questions

What is NSN 4820-01-127-6549?

NSN 4820-01-127-6549 is a Disk,valve, manufactured by Hoffman/new Yorker Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-127-6549?

NSN 4820-01-127-6549 has 4 cross-referenced part numbers: AP-402 (Hoffman/new Yorker Inc), 100-337 (Hoffman/new Yorker Inc), AP-400-1 (Hoffman/new Yorker Inc), AP-400-1 (Hoffman/new Yorker, Inc.).

What NSN replaces 4820-01-127-6549?

There are 9 known substitutes for 4820-01-127-6549: 5910-00-079-5672, 5360-00-369-9806, 5940-00-681-8184 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 100-337?

Key specifications for 100-337: Style Designator: POPPET; Overall Height: 1.180 INCHES NOMINAL IN; Flange Diameter: 0.682 INCHES NOMINAL IN; Shank Diameter: 0.305 INCHES NOMINAL IN. 5 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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