PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81147Bolt,machine

Curtiss-Wright Controls, Inc. Div Actuation Division · NSN 5306-00-151-2665 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-151-2665 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-151-2665. Primary manufacturer part number: 81147.
Features
  • Bolt,machine — FSC 5306
  • Thread Length: 0.469 INCHES MINIMUM IN
  • Thread Direction: RIGHT-HAND
  • Width Between Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
  • Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
  • Grip Length: 1.312 INCHES NOMINAL IN
  • Minimum Tensile Strength: 125000 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8740 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 4037 or Steel Comp 4140 or Steel Comp 4130 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-151-2665, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Controls, Inc. Div Actuation Division. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-151-2665
Primary Part Number81147
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Controls, Inc. Div Actuation Division
StatusCANCELLED
Thread Length0.469 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Grip Length1.312 INCHES NOMINAL IN
Minimum Tensile Strength125000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Distance From Head Largest Bearing Surface to Shank Hole Center1.624 INCHES NOMINAL FIRST HOLE IN
Thread Class3A A
Material Document and ClassificationMIL-S-6049 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 3RD MATERIAL RESPONSE OR AMS 6300 ASSN STD 4TH MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 5TH MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 6TH MATERIAL RESPONSE OVERALL
Thread Quantity Per Inch28
MaterialSTEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4037 OR STEEL COMP 4140 OR STEEL COMP 4130 OVERALL
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Nominal Thread Diameter0.250 INCHES IN
Fastener Length1.781 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Shank Unthreaded Hole Diameter0.076 INCHES NOMINAL FIRST HOLE IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
No Item Name Available
Bracket,mounting
6515-01-448-002224110 SUCCESSOR
Fluid Warming Set,internal Hose
Solventum Us Llc
6610-00-133-786824110 INTERCHANGEABLE
Indicator,counting
Emcore Corporation Div Concord Division
5136-00-189-31207223 INTERCHANGEABLE
Die,rethreading
Stanley Tools Div of Stanley Works
5133-00-189-9272 INTERCHANGEABLE
Drill,twist
3110-00-555-5423 INTERCHANGEABLE
Bearing,ball,annular
2990-01-025-0648FV157 INTERCHANGEABLE
Valve,positive Crankcase Ventila
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5133-01-095-7986 INTERCHANGEABLE
Drill,twist
4730-01-145-803124110 INTERCHANGEABLE
Clamp,hose
Barnes Group Inc. Dba Barnes Distribution
Cross-Reference Index
Part NumberManufacturer
81147 Curtiss-Wright Controls, Inc. Div Actuation Division (USA)
241-10 Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
AN4-16 Aeronautical Standards Group Dept of Navy and Air Force (USA)
AN4-16 Angelo Podesta' Srl (ITA)
241-10 Donallco Inc (USA)
Related Parts
5306-00-878-7135SUCCESSOR
NO ITEM NAME AVAILABLE
5340-01-312-4936SUCCESSOR
BRACKET,MOUNTING
6515-01-448-0022SUCCESSOR
FLUID WARMING SET,INTERNAL HOSE
24110
6610-00-133-7868INTERCHANGEABLE
INDICATOR,COUNTING
24110
5136-00-189-3120INTERCHANGEABLE
DIE,RETHREADING
7223
5133-00-189-9272INTERCHANGEABLE
DRILL,TWIST
3110-00-555-5423INTERCHANGEABLE
BEARING,BALL,ANNULAR
2990-01-025-0648INTERCHANGEABLE
VALVE,POSITIVE CRANKCASE VENTILA
FV157
5133-01-095-7986INTERCHANGEABLE
DRILL,TWIST
4730-01-145-8031INTERCHANGEABLE
CLAMP,HOSE
24110
5331-01-174-2667INTERCHANGEABLE
O-RING
8-1147
5930-01-199-0136INTERCHANGEABLE
SWITCH,CODE
24110

Frequently Asked Questions

What is NSN 5306-00-151-2665?

NSN 5306-00-151-2665 is a Bolt,machine, manufactured by Curtiss-Wright Controls, Inc. Div Actuation Division, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-151-2665?

NSN 5306-00-151-2665 has 5 cross-referenced part numbers: 81147 (Curtiss-Wright Controls, Inc. Div Actuation Division), 241-10 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), AN4-16 (Aeronautical Standards Group Dept of Navy and Air Force), AN4-16 (Angelo Podesta' Srl), 241-10 (Donallco Inc).

What NSN replaces 5306-00-151-2665?

There are 12 known substitutes for 5306-00-151-2665: 5306-00-878-7135, 5340-01-312-4936, 6515-01-448-0022 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81147?

Key specifications for 81147: Thread Length: 0.469 INCHES MINIMUM IN; Thread Direction: RIGHT-HAND; Width Between Flats: 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN; Head Height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-151-2665 still in active supply?

NSN 5306-00-151-2665 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.
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