PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

685-81603Cock,drain

Wheeler Fleet Solutions, Co. · NSN 4820-01-099-8457 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-099-8457 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-099-8457. Primary manufacturer part number: 685-81603.
Features
  • Cock,drain — FSC 4820
  • 4 verified cross-references
  • Primary manufacturer: Wheeler Fleet Solutions, Co.
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cock,drain, cataloged under National Stock Number 4820-01-099-8457, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Wheeler Fleet Solutions, Co.. 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.

Catalog Facts
Item NameCock,drain
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersWheeler Fleet Solutions, Co. (CAGE 55683); Davey Compressor Co Div of Keco Industries Inc (CAGE 16004); Drs Environmental Systems Inc (CAGE 5RQL2)
Technical Specifications
ParameterValue
NSN4820-01-099-8457
Primary Part Number685-81603
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWheeler Fleet Solutions, Co.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4720-00-021-3320FA1493FFF3000 INTERCHANGEABLE
Hose Assembly,nonmetallic
Hydrasearch Company, Llc
4730-00-141-90138160-3 INTERCHANGEABLE
Strainer Element,sediment
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
2810-00-479-140369668 INTERCHANGEABLE
Guide-Int and E,h C
Curtiss-Wright Controls, Inc. Div Actuation Division
5999-00-958-2673 INTERCHANGEABLE
Mounting Pad,electrical-Electron
5120-01-335-1149 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Cross-Reference Index
Part NumberManufacturer
685-81603 PRIMARY Wheeler Fleet Solutions, Co. (USA)
69668 Davey Compressor Co Div of Keco Industries Inc (USA)
81603 Drs Environmental Systems Inc (USA)
81603 Davey Compressor Co Div of Keco Industries Inc (USA)
Related Parts
4720-00-021-3320INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
FA1493FFF3000
4730-00-141-9013INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
8160-3
2810-00-479-1403INTERCHANGEABLE
GUIDE-INT AND E,H C
69668
5999-00-958-2673INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
5120-01-335-1149INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC

Frequently Asked Questions

What is NSN 4820-01-099-8457?

NSN 4820-01-099-8457 is a Cock,drain, manufactured by Wheeler Fleet Solutions, Co., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-099-8457?

NSN 4820-01-099-8457 has 4 cross-referenced part numbers: 685-81603 (Wheeler Fleet Solutions, Co.), 69668 (Davey Compressor Co Div of Keco Industries Inc), 81603 (Drs Environmental Systems Inc), 81603 (Davey Compressor Co Div of Keco Industries Inc).

What NSN replaces 4820-01-099-8457?

There are 5 known substitutes for 4820-01-099-8457: 4720-00-021-3320, 4730-00-141-9013, 2810-00-479-1403 and 2 more. Verify interchangeability with system specifications before substitution.

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