PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22220Bolt,machine

Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems · NSN 5306-00-639-8340 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-639-8340 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-639-8340. Primary manufacturer part number: 22220.
Features
  • Bolt,machine — FSC 5306
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Material: STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
  • Thread Series Designator: UNF
  • Material Document and Classification: MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
  • Thread Quantity Per Inch: 28
  • Width Between Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4037 or Steel Comp 4130 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 8740 or Steel Comp 4140 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-639-8340, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems. Government technical data includes 17 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-639-8340
Primary Part Number22220
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems
StatusACTIVE
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MaterialSTEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL
Thread Series DesignatorUNF
Material Document and ClassificationMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Thread Quantity Per Inch28
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Features ProvidedFINISHED HEAD
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Head StyleHEXAGON
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Thread Length1.260 INCHES MINIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Thread Class3A A
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread DirectionRIGHT-HAND
Fastener Length3.410 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-156-144622220 INTERCHANGEABLE
Bearing,roller,self-Aligning
Skf Usa Inc.
3110-00-293-847622-220 INTERCHANGEABLE
Bearing,ball,annular
Thermo King Corporation Dba Phoenix Global Distirbution.
4720-00-722-4724 INTERCHANGEABLE
Hose,nonmetallic
4820-00-901-0353022-01582-000 INTERCHANGEABLE
Valve,angle
Johnson Controls Navy Systems, Llc
9540-01-071-5882 INTERCHANGEABLE
Angle,structural
5305-01-231-4470 INTERCHANGEABLE
Screw,cap,hexagon Head
6530-01-459-800522220 INTERCHANGEABLE
Stop,lid Assembly
Reable Therapeutics Inc Dba Chattanooga Group
5930-01-469-7198222-20NB14-2223908 INTERCHANGEABLE
Switch,pressure
Detroit Switch Inc Dba Detroit Switch Inc
Cross-Reference Index
Part NumberManufacturer
22220 PRIMARY Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems (USA)
Related Parts
3110-00-156-1446INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
22220
3110-00-293-8476INTERCHANGEABLE
BEARING,BALL,ANNULAR
22-220
4720-00-722-4724INTERCHANGEABLE
HOSE,NONMETALLIC
4820-00-901-0353INTERCHANGEABLE
VALVE,ANGLE
022-01582-000
9540-01-071-5882INTERCHANGEABLE
ANGLE,STRUCTURAL
5305-01-231-4470INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
6530-01-459-8005INTERCHANGEABLE
STOP,LID ASSEMBLY
22220
5930-01-469-7198INTERCHANGEABLE
SWITCH,PRESSURE
222-20NB14-2223908

Frequently Asked Questions

What is NSN 5306-00-639-8340?

NSN 5306-00-639-8340 is a Bolt,machine, manufactured by Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-639-8340?

NSN 5306-00-639-8340 has 1 cross-referenced part number: 22220 (Northrop Grumman Systems Corporation Dba Aerospace Systems Div Aeronautics Systems).

What NSN replaces 5306-00-639-8340?

There are 8 known substitutes for 5306-00-639-8340: 3110-00-156-1446, 3110-00-293-8476, 4720-00-722-4724 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22220?

Key specifications for 22220: Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Material: STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL; Thread Series Designator: UNF; Special Features: FURNISHED W/SLOT CUT ACROSS THD END OF BOLT. 18 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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