PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0511405ABolt,ribbed Shoulder

Rivinius Inc Littleford Machinery Div · NSN 5306-00-733-9239 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-733-9239 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-733-9239. Primary manufacturer part number: 0511405A.
Features
  • Bolt,ribbed Shoulder — FSC 5306
  • Thread Length: 1.156 INCHES MINIMUM IN
  • Head Style: FLAT CHAMFER
  • Head Height: 0.312 INCHES NOMINAL IN
  • Head Diameter: 1.310 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
  • Hardness Rating: 300.0 BRINELL STANDARD MINIMUM AND 350.0 BRINELL STANDARD MAXIMUM OVERALL
  • Thread Series Designator: UNF
  • Thread Quantity Per Inch: 16
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8640 or Steel Comp 8740 or Steel Comp 3135 or Steel Comp 4140 or Steel Comp 4135 Overall construction
General Description

The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-733-9239, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rivinius Inc Littleford Machinery Div. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-733-9239
Primary Part Number0511405A
Item NameBolt,ribbed Shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerRivinius Inc Littleford Machinery Div
StatusCANCELLED
Thread Length1.156 INCHES MINIMUM IN
Head StyleFLAT CHAMFER
Head Height0.312 INCHES NOMINAL IN
Head Diameter1.310 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN
Hardness Rating300.0 BRINELL STANDARD MINIMUM AND 350.0 BRINELL STANDARD MAXIMUM OVERALL
Thread Series DesignatorUNF
Thread Quantity Per Inch16
Shoulder Diameter0.840 INCHES NOMINAL FIRST SHOULDER IN
Distance From Largest Diameter of Bearing Surface of Head to Ribs0.125 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Surface TreatmentCADMIUM OR ZINC OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
Shoulder ShapeROUND FIRST SHOULDER
MaterialSTEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 3135 OR STEEL COMP 4140 OR STEEL COMP 4135 OVERALL
Rib Major Diameter0.875 INCHES NOMINAL IN
Nominal Thread Diameter0.750 INCHES IN
Rib Length0.625 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
Rib Minor Diameter0.840 INCHES NOMINAL IN
Rib Quantity31
Fastener Length2.469 INCHES NOMINAL IN
Shoulder Length0.906 INCHES NOMINAL FIRST SHOULDER IN
Thread DirectionLEFT-HAND
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5910-00-063-1206 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5940-00-159-0246 INTERCHANGEABLE
Terminal,stud
4730-00-289-0108820-18 INTERCHANGEABLE
Clamp,hose
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5330-00-500-354882018 INTERCHANGEABLE
Packing,preformed
Hexco International Dba Acd
4730-01-101-2848 INTERCHANGEABLE
Plug,pipe
5950-01-193-53584034688 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International
6150-01-328-037914573-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Breeze-Eastern Llc
Cross-Reference Index
Part NumberManufacturer
0511405A Rivinius Inc Littleford Machinery Div (USA)
14573 Pressed Metals of America Inc (USA)
667773 Sasco Inc Canadian Div
8689831 Zf Industrieantriebe Witten Gmbh (DEU)
3109187 Gerstenlager Co the (USA)
272-82018 Chief of Engineers Dept of Army (USA)
MS51946-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
7339239 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
82018 Hayes Wheels Intl Inc Akron Opns (USA)
Related Parts
5910-00-063-1206INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5940-00-159-0246INTERCHANGEABLE
TERMINAL,STUD
4730-00-289-0108INTERCHANGEABLE
CLAMP,HOSE
820-18
5330-00-500-3548INTERCHANGEABLE
PACKING,PREFORMED
82018
4730-01-101-2848INTERCHANGEABLE
PLUG,PIPE
5950-01-193-5358INTERCHANGEABLE
TRANSFORMER,POWER
4034688
6150-01-328-0379INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
14573-1

Frequently Asked Questions

What is NSN 5306-00-733-9239?

NSN 5306-00-733-9239 is a Bolt,ribbed Shoulder, manufactured by Rivinius Inc Littleford Machinery Div, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-733-9239?

NSN 5306-00-733-9239 has 9 cross-referenced part numbers: 0511405A (Rivinius Inc Littleford Machinery Div), 14573 (Pressed Metals of America Inc), 667773 (Sasco Inc Canadian Div), 8689831 (Zf Industrieantriebe Witten Gmbh), 3109187 (Gerstenlager Co the) and 4 more.

What NSN replaces 5306-00-733-9239?

There are 7 known substitutes for 5306-00-733-9239: 5910-00-063-1206, 5940-00-159-0246, 4730-00-289-0108 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0511405A?

Key specifications for 0511405A: Thread Length: 1.156 INCHES MINIMUM IN; Head Style: FLAT CHAMFER; Head Height: 0.312 INCHES NOMINAL IN; Head Diameter: 1.310 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-733-9239 still in active supply?

NSN 5306-00-733-9239 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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