PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581R237H02Tuning Screw

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 1430-00-339-4251 · FSC 1430 · No Item Name Available
Verified by PartsTable
NSN 1430-00-339-4251 — this item is cataloged by the U.S. Government under National Stock Number 1430-00-339-4251. Primary manufacturer part number: 581R237H02.
Features
  • Tuning Screw — FSC 1430
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Tuning Screw, cataloged under National Stock Number 1430-00-339-4251, is classified within Federal Supply Class 1430 (No Item Name Available) of the Guided Missiles group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1430-00-339-4251
Primary Part Number581R237H02
Item NameTuning Screw
FSC / FSG1430 / 14 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5930-00-027-014205-170-0827 INTERCHANGEABLE
Switch,push
Wheeler Fleet Solutions, Co.
6115-00-188-533369500 INTERCHANGEABLE
Unit Load,governor
Creating Technology Solutions, Llc Dba Technology Research Corp Div Technology Research Corp
4210-00-329-7786 INTERCHANGEABLE
Bulb Unit Assembly
3120-00-479-139769500 INTERCHANGEABLE
Bushing,sleeve
Curtiss-Wright Controls, Inc. Div Actuation Division
6115-00-911-136813217E5380 INTERCHANGEABLE
Load Measurement Unit
Cecom Lr Center
5360-00-999-831469500 INTERCHANGEABLE
Spring,helical,extension
Raytheon Company Div Rmd Strategic
2910-01-072-835003064000 INTERCHANGEABLE
Tappet,fuel Injection Pump
Hatz Diesel of America Inc
4250-01-560-339369500 INTERCHANGEABLE
Reclaimer,refrigerant
Mastercool Inc
Cross-Reference Index
Part NumberManufacturer
6950-0 Du-Rite Chemical and Supply Co (USA)
581R237H02 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5930-00-027-0142INTERCHANGEABLE
SWITCH,PUSH
05-170-0827
6115-00-188-5333INTERCHANGEABLE
UNIT LOAD,GOVERNOR
69500
4210-00-329-7786INTERCHANGEABLE
BULB UNIT ASSEMBLY
3120-00-479-1397INTERCHANGEABLE
BUSHING,SLEEVE
69500
6115-00-911-1368INTERCHANGEABLE
LOAD MEASUREMENT UNIT
13217E5380
5360-00-999-8314INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
69500
2910-01-072-8350INTERCHANGEABLE
TAPPET,FUEL INJECTION PUMP
03064000
4250-01-560-3393INTERCHANGEABLE
RECLAIMER,REFRIGERANT
69500

Frequently Asked Questions

What is NSN 1430-00-339-4251?

NSN 1430-00-339-4251 is a Tuning Screw, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 1430 (No Item Name Available). Status: active.

What are the part numbers for NSN 1430-00-339-4251?

NSN 1430-00-339-4251 has 2 cross-referenced part numbers: 6950-0 (Du-Rite Chemical and Supply Co), 581R237H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 1430-00-339-4251?

There are 8 known substitutes for 1430-00-339-4251: 5930-00-027-0142, 6115-00-188-5333, 4210-00-329-7786 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 581R237H02?

Key specifications for 581R237H02: End Item Identification: RADAR SET,MODEL APQ120. 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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