PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N-70273Cap,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-370-5299 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-370-5299 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-370-5299. Primary manufacturer part number: N-70273.
Features
  • Cap,valve — FSC 4820
  • Valve Type for Which Designed: CHECK
  • Material: STEEL OR COPPER
  • 4 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel or Copper construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-370-5299, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4820-01-370-5299
Primary Part NumberN-70273
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Valve Type for Which DesignedCHECK
MaterialSTEEL OR COPPER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5950-00-005-2530920011-23 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
5340-00-305-071170273 INTERCHANGEABLE
Holder,spring
Aerocontrolex Group, Inc. Div Talley Actuators
4820-01-370-530633000 INTERCHANGEABLE
Retainer,disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-370-542830369 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5310-01-417-988670273 INTERCHANGEABLE
Nut,plain,hexagon
Cummins Inc.
6605-01-734-365670273 INTERCHANGEABLE
Compass System,gyro
Videoray Llc Dba Videoray Llc
Cross-Reference Index
Part NumberManufacturer
N-70273 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
70273 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
20949-N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
20949-N ITEM 26 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5950-00-005-2530INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-23
5340-00-305-0711INTERCHANGEABLE
HOLDER,SPRING
70273
4820-01-370-5306INTERCHANGEABLE
RETAINER,DISK,VALVE
33000
4820-01-370-5428INTERCHANGEABLE
SEAT,VALVE
30369
5310-01-417-9886INTERCHANGEABLE
NUT,PLAIN,HEXAGON
70273
6605-01-734-3656INTERCHANGEABLE
COMPASS SYSTEM,GYRO
70273

Frequently Asked Questions

What is NSN 4820-01-370-5299?

NSN 4820-01-370-5299 is a Cap,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-370-5299?

NSN 4820-01-370-5299 has 4 cross-referenced part numbers: N-70273 (Leslie Controls, Inc. Dba Leslie Controls Inc), 70273 (Leslie Controls, Inc. Dba Leslie Controls Inc), 20949-N (Leslie Controls, Inc. Dba Leslie Controls Inc), 20949-N ITEM 26 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-370-5299?

There are 6 known substitutes for 4820-01-370-5299: 5950-00-005-2530, 5340-00-305-0711, 4820-01-370-5306 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N-70273?

Key specifications for N-70273: Valve Type for Which Designed: CHECK; Special Features: BOTTOM; Material: STEEL OR COPPER. 3 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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