PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51305Cock,drain

Tennant Company · NSN 4820-01-138-6705 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-138-6705 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-138-6705. Primary manufacturer part number: 51305.
Features
  • Cock,drain — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Tennant Company
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Cock,drain, cataloged under National Stock Number 4820-01-138-6705, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tennant Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 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)
ManufacturersTennant Company (CAGE 59500)
Technical Specifications
ParameterValue
NSN4820-01-138-6705
Primary Part Number51305
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTennant Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5962-00-109-3577 INTERCHANGEABLE
Microcircuit,digital
1005-00-731-0782 INTERCHANGEABLE
Base,front Swivel
1620-00-830-79975130 INTERCHANGEABLE
Valve Assy,charging
Goodrich Aerospace Canada Ltd
2940-00-864-071711268 INTERCHANGEABLE
Filter Element,fluid
Westerbeke Corporation
4730-01-251-992351305 INTERCHANGEABLE
Plug,tube Fitting,threaded
Eaton Aerospace, Llc Dba Jackson South
8345-01-590-2409 INTERCHANGEABLE
Flag,division Artillery
Cross-Reference Index
Part NumberManufacturer
51305 Tennant Company (USA)
Related Parts
5962-00-109-3577INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
1005-00-731-0782INTERCHANGEABLE
BASE,FRONT SWIVEL
1620-00-830-7997INTERCHANGEABLE
VALVE ASSY,CHARGING
5130
2940-00-864-0717INTERCHANGEABLE
FILTER ELEMENT,FLUID
11268
4730-01-251-9923INTERCHANGEABLE
PLUG,TUBE FITTING,THREADED
51305
8345-01-590-2409INTERCHANGEABLE
FLAG,DIVISION ARTILLERY

Frequently Asked Questions

What is NSN 4820-01-138-6705?

NSN 4820-01-138-6705 is a Cock,drain, manufactured by Tennant Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-138-6705?

NSN 4820-01-138-6705 has 1 cross-referenced part number: 51305 (Tennant Company).

What NSN replaces 4820-01-138-6705?

There are 6 known substitutes for 4820-01-138-6705: 5962-00-109-3577, 1005-00-731-0782, 1620-00-830-7997 and 3 more. Verify interchangeability with system specifications before substitution.

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