PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

120S27Bolt,machine

Bendix Corp the Brake and Steering Div · NSN 5306-00-144-3704 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-144-3704 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-144-3704. Primary manufacturer part number: 120S27.
Features
  • Bolt,machine — FSC 5306
  • Thread Quantity Per Inch: 28
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
  • Features Provided: FINISHED HEAD
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Thread Length: 0.468 INCHES MINIMUM IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4140 or Steel Comp 8740 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 4130 or Steel Comp 4037 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-144-3704, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bendix Corp the Brake and Steering Div. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-144-3704
Primary Part Number120S27
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerBendix Corp the Brake and Steering Div
StatusCANCELLED
Thread Quantity Per Inch28
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Features ProvidedFINISHED HEAD
Nominal Thread Diameter0.250 INCHES IN
Thread Length0.468 INCHES MINIMUM IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
Head Height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Minimum Tensile Strength125 POUNDS PER SQUARE INCH LBS
Shank Unthreaded Hole Diameter0.076 INCHES MINIMUM FIRST HOLE IN
Fastener Length0.656 INCHES NOMINAL IN
Material Document and ClassificationMIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL
Grip Length0.188 INCHES NOMINAL IN
Distance From Head Largest Bearing Surface to Shank Hole Center0.500 INCHES NOMINAL FIRST HOLE IN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Thread Class3A A
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Width Between Flats0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Head StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5306-01-215-4340400102 SUCCESSOR
Bolt,lining,brake S
Naval Inventory Control Point Mechanicsburg
5305-00-343-0947LS15237C3-6 INTERCHANGEABLE
Screw,close Tolerance
Howmet Global Fastening Systems Inc
2805-00-629-6853 INTERCHANGEABLE
Connecting Rod,piston
5985-00-779-3339 INTERCHANGEABLE
Waveguide Assembly
5330-01-158-7847 INTERCHANGEABLE
Retainer,packing
4820-01-212-0734905043 INTERCHANGEABLE
Disk,valve
Cmb Industries Febco Div
5315-01-342-009704000102N13 INTERCHANGEABLE
Pin,cotter
Magnatrol Valve Corp Div Clark-Cooper
5995-01-346-8179400-102 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Ge Intelligent Embedded Systems Inc
5998-01-445-327040010-2 INTERCHANGEABLE
Circuit Card Assembly
Hamilton Sundstrand Corporation Dba Collins Aerospace
5306-01-497-8315AN4-5 INTERCHANGEABLE
Bolt,machine
Rolls Royce Corp
Cross-Reference Index
Part NumberManufacturer
120S27 Bendix Corp the Brake and Steering Div (USA)
AN4-5 Aeronautical Standards Group Dept of Navy and Air Force (USA)
7403156 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
120S27 Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St) (USA)
7350229 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
400 102 Piper Industrial Manufacturing Company, Llc Div Piper Industrial Manufacturing Company (USA)
120S27 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
Related Parts
5306-01-215-4340SUCCESSOR
BOLT,LINING,BRAKE S
400102
5305-00-343-0947INTERCHANGEABLE
SCREW,CLOSE TOLERANCE
LS15237C3-6
2805-00-629-6853INTERCHANGEABLE
CONNECTING ROD,PISTON
5985-00-779-3339INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
5330-01-158-7847INTERCHANGEABLE
RETAINER,PACKING
4820-01-212-0734INTERCHANGEABLE
DISK,VALVE
905043
5315-01-342-0097INTERCHANGEABLE
PIN,COTTER
04000102N13
5995-01-346-8179INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
400-102
5998-01-445-3270INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
40010-2
5306-01-497-8315INTERCHANGEABLE
BOLT,MACHINE
AN4-5
8340-01-591-1610INTERCHANGEABLE
POLE,SOLSCONS
40-0102

Frequently Asked Questions

What is NSN 5306-00-144-3704?

NSN 5306-00-144-3704 is a Bolt,machine, manufactured by Bendix Corp the Brake and Steering Div, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-144-3704?

NSN 5306-00-144-3704 has 7 cross-referenced part numbers: 120S27 (Bendix Corp the Brake and Steering Div), AN4-5 (Aeronautical Standards Group Dept of Navy and Air Force), 7403156 (U S Army Tank Automotive Command Amsta-Im-Mm), 120S27 (Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)), 7350229 (U S Army Tank Automotive Command Amsta-Im-Mm) and 2 more.

What NSN replaces 5306-00-144-3704?

There are 11 known substitutes for 5306-00-144-3704: 5306-01-215-4340, 5305-00-343-0947, 2805-00-629-6853 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 120S27?

Key specifications for 120S27: Thread Quantity Per Inch: 28; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL; Features Provided: FINISHED HEAD; Nominal Thread Diameter: 0.250 INCHES IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-144-3704 still in active supply?

NSN 5306-00-144-3704 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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