PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EM1Cock,poppet Drain

Parker Hannifin Corp Filtration Group Commercial Filters Div · NSN 4820-01-716-9083 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-716-9083 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-716-9083. Primary manufacturer part number: EM1.
Features
  • Cock,poppet Drain — FSC 4820
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 1 verified cross-reference
  • Primary manufacturer: Parker Hannifin Corp Filtration Group Commercial Filters Div
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cock,poppet Drain, cataloged under National Stock Number 4820-01-716-9083, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corp Filtration Group Commercial Filters Div. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN4820-01-716-9083
Primary Part NumberEM1
Item NameCock,poppet Drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corp Filtration Group Commercial Filters Div
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2990-01-136-7083EM1 INTERCHANGEABLE
Muffler,exhaust
Mosier Fluid Power of Ohio Inc Dba Kc Mosier Co
8415-01-344-8703EM-1 INTERCHANGEABLE
EAR Muffs,helmet
Sirchie Acquisition Co Llc
6530-01-470-4005EM-1 INTERCHANGEABLE
Head Cradle
Ems Innovations Inc.
3110-01-494-3086NJ2308E.M1 INTERCHANGEABLE
Bearing,roller,cylindrical
Gwilliam Company, Inc. Div Ball & Roller Bearing Division
5840-01-579-7784 INTERCHANGEABLE
Interface Unit,environmental Sen
Cross-Reference Index
Part NumberManufacturer
EM1 Parker Hannifin Corp Filtration Group Commercial Filters Div (USA)
Related Parts
2990-01-136-7083INTERCHANGEABLE
MUFFLER,EXHAUST
EM1
8415-01-344-8703INTERCHANGEABLE
EAR MUFFS,HELMET
EM-1
6530-01-470-4005INTERCHANGEABLE
HEAD CRADLE
EM-1
3110-01-494-3086INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
NJ2308E.M1
5840-01-579-7784INTERCHANGEABLE
INTERFACE UNIT,ENVIRONMENTAL SEN

Frequently Asked Questions

What is NSN 4820-01-716-9083?

NSN 4820-01-716-9083 is a Cock,poppet Drain, manufactured by Parker Hannifin Corp Filtration Group Commercial Filters Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-716-9083?

NSN 4820-01-716-9083 has 1 cross-referenced part number: EM1 (Parker Hannifin Corp Filtration Group Commercial Filters Div).

What NSN replaces 4820-01-716-9083?

There are 5 known substitutes for 4820-01-716-9083: 2990-01-136-7083, 8415-01-344-8703, 6530-01-470-4005 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of EM1?

Key specifications for EM1: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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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