PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5742051Valve,vent

Templeton Kenly and Co Inc · NSN 4820-00-538-7171 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-538-7171 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-538-7171. Primary manufacturer part number: 5742051.
Features
  • Valve,vent — FSC 4820
  • Thread Direction: RIGHT-HAND FIRST END
  • Material: STEEL OVERALL
  • Connection Style: PLAIN (PIPE) FIRST END
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Style Designator: STRAIGHT THRU
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Thread Series Designator: NPT FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Valve,vent, cataloged under National Stock Number 4820-00-538-7171, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Templeton Kenly and Co Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN4820-00-538-7171
Primary Part Number5742051
Item NameValve,vent
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTempleton Kenly and Co Inc
StatusACTIVE
Thread DirectionRIGHT-HAND FIRST END
MaterialSTEEL OVERALL
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Style DesignatorSTRAIGHT THRU
Nominal Thread Size0.250 INCHES FIRST END IN
Thread Series DesignatorNPT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5965-00-104-2902368-114 INTERCHANGEABLE
Mouthpiece,microphone
Talk Inc
6750-00-256-6449 INTERCHANGEABLE
Film,photographic
6750-00-260-1252 INTERCHANGEABLE
Film,photographic
6750-01-057-9731 INTERCHANGEABLE
Film,photographic
6750-01-353-5754 INTERCHANGEABLE
Film,photographic
6750-01-358-0089 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
5742051 PRIMARY Templeton Kenly and Co Inc (USA)
FP4 Templeton Kenly and Co Inc (USA)
Related Parts
5965-00-104-2902INTERCHANGEABLE
MOUTHPIECE,MICROPHONE
368-114
6750-00-256-6449INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-00-260-1252INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-057-9731INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-353-5754INTERCHANGEABLE
FILM,PHOTOGRAPHIC
6750-01-358-0089INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 4820-00-538-7171?

NSN 4820-00-538-7171 is a Valve,vent, manufactured by Templeton Kenly and Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-538-7171?

NSN 4820-00-538-7171 has 2 cross-referenced part numbers: 5742051 (Templeton Kenly and Co Inc), FP4 (Templeton Kenly and Co Inc).

What NSN replaces 4820-00-538-7171?

There are 6 known substitutes for 4820-00-538-7171: 5965-00-104-2902, 6750-00-256-6449, 6750-00-260-1252 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5742051?

Key specifications for 5742051: Thread Direction: RIGHT-HAND FIRST END; Material: STEEL OVERALL; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED EXTERNAL PIPE FIRST END. 7 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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