PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VD82-2577Valve Assy,drain

Parker Hannifin Corp Dba Pneutronics · NSN 4820-01-073-1802 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-073-1802 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-073-1802. Primary manufacturer part number: VD82-2577.
Features
  • Valve Assy,drain — FSC 4820
  • General Characteristics Item Description: 1.250 IN. DIAMETER SLOTTED OR 1.125 IN. HEX; 0.800 IN. MAX H; O RING PER MIL-R-25988/1; MUST MEET PERFORMANCE REQUIREMENTS OF MIL-V-25023 IN
  • 8 verified cross-references
  • Primary manufacturer: Parker Hannifin Corp Dba Pneutronics
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assy,drain, cataloged under National Stock Number 4820-01-073-1802, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corp Dba Pneutronics. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-073-1802
Primary Part NumberVD82-2577
Item NameValve Assy,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corp Dba Pneutronics
StatusCANCELLED
General Characteristics Item Description1.250 IN. DIAMETER SLOTTED OR 1.125 IN. HEX; 0.800 IN. MAX H; O RING PER MIL-R-25988/1; MUST MEET PERFORMANCE REQUIREMENTS OF MIL-V-25023 IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-135-477572-478 INTERCHANGEABLE
Cock,drain
Parker Hannifin Corp Dba Pneutronics
5330-00-292-16030S2063 INTERCHANGEABLE
Seal,plain Encased
Gits Mfg Co Inc
2530-00-308-71142F7501 INTERCHANGEABLE
Bar,snubber
Caterpillar Inc Div Caterpillar Defense
5315-00-351-7900SC-B-69783 INTERCHANGEABLE
Pin,shoulder,headless
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2990-00-398-07745-030-2 INTERCHANGEABLE
Coolant
Bird Electronic Corporation Div Bird Electronic Corp
5950-00-472-566150302 INTERCHANGEABLE
Transformer,power
Coiltron Inc Div Coiltron
4820-00-755-6773503-02 INTERCHANGEABLE
Parts Kit,valve
Norgren C a Co
2590-00-778-401450-302 INTERCHANGEABLE
C0ver,impeller H0us
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
4820-00-783-647772478 INTERCHANGEABLE
Cock,poppet Drain
Parker Hannifin Corp Dba Pneutronics
4730-00-817-989650302 INTERCHANGEABLE
Coupling Half,quick Disconnect
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
Cross-Reference Index
Part NumberManufacturer
72-478 Parker Hannifin Corp Dba Pneutronics (USA)
Z00.N6079127221 Daher Aerospace - Ex Socata (FRA)
4820PL1626950 Jednolity Indeks Materialowy - Uniform Material Index (POL)
VD82-2577 PRIMARY Parker Hannifin Corp Dba Pneutronics (USA)
Z00.N6079127221TBM Daher Aerospace - Ex Socata (FRA)
50302 Mission Systems Davenport Inc. (USA)
4820PL0655904 Jednolity Indeks Materialowy - Uniform Material Index (POL)
CCB-36450-5 PRIMARY Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co (USA)
Related Parts
4820-00-135-4775INTERCHANGEABLE
COCK,DRAIN
72-478
5330-00-292-1603INTERCHANGEABLE
SEAL,PLAIN ENCASED
0S2063
2530-00-308-7114INTERCHANGEABLE
BAR,SNUBBER
2F7501
5315-00-351-7900INTERCHANGEABLE
PIN,SHOULDER,HEADLESS
SC-B-69783
2990-00-398-0774INTERCHANGEABLE
COOLANT
5-030-2
5950-00-472-5661INTERCHANGEABLE
TRANSFORMER,POWER
50302
4820-00-755-6773INTERCHANGEABLE
PARTS KIT,VALVE
503-02
2590-00-778-4014INTERCHANGEABLE
C0VER,IMPELLER H0US
50-302
4820-00-783-6477INTERCHANGEABLE
COCK,POPPET DRAIN
72478
4730-00-817-9896INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
50302
5331-00-903-3954INTERCHANGEABLE
O-RING
72478
4520-01-328-5729INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM

Frequently Asked Questions

What is NSN 4820-01-073-1802?

NSN 4820-01-073-1802 is a Valve Assy,drain, manufactured by Parker Hannifin Corp Dba Pneutronics, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-073-1802?

NSN 4820-01-073-1802 has 8 cross-referenced part numbers: 72-478 (Parker Hannifin Corp Dba Pneutronics), Z00.N6079127221 (Daher Aerospace - Ex Socata), 4820PL1626950 (Jednolity Indeks Materialowy - Uniform Material Index), VD82-2577 (Parker Hannifin Corp Dba Pneutronics), Z00.N6079127221TBM (Daher Aerospace - Ex Socata) and 3 more.

What NSN replaces 4820-01-073-1802?

There are 12 known substitutes for 4820-01-073-1802: 4820-00-135-4775, 5330-00-292-1603, 2530-00-308-7114 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of VD82-2577?

Key specifications for VD82-2577: General Characteristics Item Description: 1.250 IN. DIAMETER SLOTTED OR 1.125 IN. HEX; 0.800 IN. MAX H; O RING PER MIL-R-25988/1; MUST MEET PERFORMANCE REQUIREMENTS OF MIL-V-25023 IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-073-1802 still in active supply?

NSN 4820-01-073-1802 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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