PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

300034-1Bonnet-Upper

Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division · NSN 4820-01-076-1553 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-076-1553 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-076-1553. Primary manufacturer part number: 300034-1.
Features
  • Bonnet-Upper — FSC 4820
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
  • Criticality Code Justification: ZZZY
  • 1 verified cross-reference
  • Primary manufacturer: Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Bonnet-Upper, cataloged under National Stock Number 4820-01-076-1553, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division. Government technical data includes 2 verified specifications, 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
NSN4820-01-076-1553
Primary Part Number300034-1
Item NameBonnet-Upper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1020-00-009-02753000341 INTERCHANGEABLE
Sleeve,valve
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-01-231-0429390HS001NF2116H6 INTERCHANGEABLE
Backshell,electrical Connector
Glenair, Inc.
6220-01-511-067230-0034-1 INTERCHANGEABLE
Lens,light
Ace Aeronautics Llc
3040-01-680-8085300034-1 INTERCHANGEABLE
Shaft,straight
Tri-Tec Manufacturing Llc
5998-01-700-0233300034-1 INTERCHANGEABLE
Circuit Card Assembly
Amentum Services, Inc.
Cross-Reference Index
Part NumberManufacturer
300034-1 Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division (USA)
Related Parts
1020-00-009-0275INTERCHANGEABLE
SLEEVE,VALVE
3000341
5935-01-231-0429INTERCHANGEABLE
BACKSHELL,ELECTRICAL CONNECTOR
390HS001NF2116H6
6220-01-511-0672INTERCHANGEABLE
LENS,LIGHT
30-0034-1
3040-01-680-8085INTERCHANGEABLE
SHAFT,STRAIGHT
300034-1
5998-01-700-0233INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
300034-1

Frequently Asked Questions

What is NSN 4820-01-076-1553?

NSN 4820-01-076-1553 is a Bonnet-Upper, manufactured by Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-076-1553?

NSN 4820-01-076-1553 has 1 cross-referenced part number: 300034-1 (Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division).

What NSN replaces 4820-01-076-1553?

There are 5 known substitutes for 4820-01-076-1553: 1020-00-009-0275, 5935-01-231-0429, 6220-01-511-0672 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300034-1?

Key specifications for 300034-1: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.; Criticality Code Justification: ZZZY. 2 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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