PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X3963Bolt,machine

Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc · NSN 5306-00-843-6442 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-843-6442 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-843-6442. Primary manufacturer part number: X3963.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 2.750 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Hardness Rating: 302.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL
  • Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL COMP 8640 OR STEEL COMP 8637 OVERALL
  • Thread Quantity Per Inch: 16
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8640 or Steel Comp 8637 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-843-6442, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-843-6442
Primary Part NumberX3963
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerTeledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc
StatusCANCELLED
Fastener Length2.750 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Hardness Rating302.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL COMP 8640 OR STEEL COMP 8637 OVERALL
Thread Quantity Per Inch16
Nominal Thread Diameter0.375 INCHES IN
Thread Length1.000 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Thread Class3A A
Head Height0.234 INCHES NOMINAL IN
Head StyleHEXAGON
Width Between Flats0.562 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
No Item Name Available
4810-00-020-2784202-108 INTERCHANGEABLE
Valve,solenoid
Altec Air, Llc Dba Altec Llc
2920-00-144-809386-9-8 INTERCHANGEABLE
Spark Plug
Dresser Industries Inc Leroi Div
3110-00-227-2876MS24464-32 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
1710-00-475-0653 INTERCHANGEABLE
Packing O Ring
1660-00-535-33285043-12 INTERCHANGEABLE
Valve Assy,relief,o
Avox Systems Inc Dba Avox Systems Inc
5315-00-930-9222SK1233 INTERCHANGEABLE
Pin,quick Release
Avibank Mfg., Inc. Dba Avibank Manufacturing Inc
6150-01-099-6789 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5950-01-597-256150432 INTERCHANGEABLE
Transformer,power
Power Paragon, Inc. Dba Power Magnetics Div Power Magnetics
Cross-Reference Index
Part NumberManufacturer
X3963 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
50432 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
X03963 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
Related Parts
5306-00-103-2919SUCCESSOR
NO ITEM NAME AVAILABLE
4810-00-020-2784INTERCHANGEABLE
VALVE,SOLENOID
202-108
2920-00-144-8093INTERCHANGEABLE
SPARK PLUG
86-9-8
3110-00-227-2876INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS24464-32
1710-00-475-0653INTERCHANGEABLE
PACKING O RING
1660-00-535-3328INTERCHANGEABLE
VALVE ASSY,RELIEF,O
5043-12
5315-00-930-9222INTERCHANGEABLE
PIN,QUICK RELEASE
SK1233
6150-01-099-6789INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5950-01-597-2561INTERCHANGEABLE
TRANSFORMER,POWER
50432

Frequently Asked Questions

What is NSN 5306-00-843-6442?

NSN 5306-00-843-6442 is a Bolt,machine, manufactured by Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-843-6442?

NSN 5306-00-843-6442 has 3 cross-referenced part numbers: X3963 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), 50432 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), X03963 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc).

What NSN replaces 5306-00-843-6442?

There are 9 known substitutes for 5306-00-843-6442: 5306-00-103-2919, 4810-00-020-2784, 2920-00-144-8093 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X3963?

Key specifications for X3963: Fastener Length: 2.750 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Hardness Rating: 302.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL; Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-843-6442 still in active supply?

NSN 5306-00-843-6442 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com