PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

42312-84Cock,poppet Drain

Triumph Gear Systems Inc Dba Triumph Gear Systems Inc · NSN 4820-01-154-2631 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-154-2631 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-154-2631. Primary manufacturer part number: 42312-84.
Features
  • Cock,poppet Drain — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Triumph Gear Systems Inc Dba Triumph Gear Systems Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cock,poppet Drain, cataloged under National Stock Number 4820-01-154-2631, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Triumph Gear Systems Inc Dba Triumph Gear Systems Inc. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-154-2631
Primary Part Number42312-84
Item NameCock,poppet Drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTriumph Gear Systems Inc Dba Triumph Gear Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5950-00-645-1904 INTERCHANGEABLE
Transformer,audio Frequency
4820-00-701-2019A4350 INTERCHANGEABLE
Stem,fluid Valve
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5962-01-041-1483 INTERCHANGEABLE
Microcircuit,linear
4810-01-284-8936 INTERCHANGEABLE
Valve,solenoid
5950-01-383-4167A4350 INTERCHANGEABLE
Transformer,audio Frequency
Hamilton Sundstrand Corporation
Cross-Reference Index
Part NumberManufacturer
42312D84 Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
A4350 Eaton Aerospace Llc Div Fluid and Electrical Distribution Division (USA)
10124658 Nimikkeistokeskus Ncb Finland (FIN)
42312-84 PRIMARY Triumph Gear Systems Inc Dba Triumph Gear Systems Inc (USA)
Related Parts
5950-00-645-1904INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
4820-00-701-2019INTERCHANGEABLE
STEM,FLUID VALVE
A4350
5962-01-041-1483INTERCHANGEABLE
MICROCIRCUIT,LINEAR
4810-01-284-8936INTERCHANGEABLE
VALVE,SOLENOID
5950-01-383-4167INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
A4350

Frequently Asked Questions

What is NSN 4820-01-154-2631?

NSN 4820-01-154-2631 is a Cock,poppet Drain, manufactured by Triumph Gear Systems Inc Dba Triumph Gear Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-154-2631?

NSN 4820-01-154-2631 has 4 cross-referenced part numbers: 42312D84 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc), A4350 (Eaton Aerospace Llc Div Fluid and Electrical Distribution Division), 10124658 (Nimikkeistokeskus Ncb Finland), 42312-84 (Triumph Gear Systems Inc Dba Triumph Gear Systems Inc).

What NSN replaces 4820-01-154-2631?

There are 5 known substitutes for 4820-01-154-2631: 5950-00-645-1904, 4820-00-701-2019, 5962-01-041-1483 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 42312-84?

Key specifications for 42312-84: Special Features: MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED:NOT RATED. 1 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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