PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14774Ring,adjusting,blowdown

Ashcroft Inc Dba Heise · NSN 4820-00-036-1853 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1853 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1853. Primary manufacturer part number: 14774.
Features
  • Ring,adjusting,blowdown — FSC 4820
  • General Characteristics Item Description: STAINLESS STEEL,3.930 IN.O/A DIA,1.375 IN.O/A THK,INTERNAL THD 3.000-16 UN,INTERNAL CONE SHAPE 24 DEGRE IN
  • 1 verified cross-reference
  • Primary manufacturer: Ashcroft Inc Dba Heise
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Ring,adjusting,blowdown, cataloged under National Stock Number 4820-00-036-1853, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-036-1853
Primary Part Number14774
Item NameRing,adjusting,blowdown
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
General Characteristics Item DescriptionSTAINLESS STEEL,3.930 IN.O/A DIA,1.375 IN.O/A THK,INTERNAL THD 3.000-16 UN,INTERNAL CONE SHAPE 24 DEGRE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
4810-00-783-239714774 INTERCHANGEABLE
Valve,linear,directional Control
Moog Inc
5330-00-857-111814774 INTERCHANGEABLE
Seal,mechanical
Westerbeke Corporation
5305-01-121-1283V4 INTERCHANGEABLE
Screw,machine
Robert H Wager Co Inc
4730-01-359-385814774 INTERCHANGEABLE
Manifold,hydraulic System Access
Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control
4320-01-439-8789 INTERCHANGEABLE
Housing,rotor
Cross-Reference Index
Part NumberManufacturer
14774 PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
4810-00-783-2397INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
14774
5330-00-857-1118INTERCHANGEABLE
SEAL,MECHANICAL
14774
5305-01-121-1283INTERCHANGEABLE
SCREW,MACHINE
V4
4730-01-359-3858INTERCHANGEABLE
MANIFOLD,HYDRAULIC SYSTEM ACCESS
14774
4320-01-439-8789INTERCHANGEABLE
HOUSING,ROTOR

Frequently Asked Questions

What is NSN 4820-00-036-1853?

NSN 4820-00-036-1853 is a Ring,adjusting,blowdown, manufactured by Ashcroft Inc Dba Heise, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-036-1853?

NSN 4820-00-036-1853 has 1 cross-referenced part number: 14774 (Ashcroft Inc Dba Heise).

What NSN replaces 4820-00-036-1853?

There are 5 known substitutes for 4820-00-036-1853: 4810-00-783-2397, 5330-00-857-1118, 5305-01-121-1283 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14774?

Key specifications for 14774: General Characteristics Item Description: STAINLESS STEEL,3.930 IN.O/A DIA,1.375 IN.O/A THK,INTERNAL THD 3.000-16 UN,INTERNAL CONE SHAPE 24 DEGRE IN. 1 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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