PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1056551Bolt,shoulder

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5306-01-316-1457 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-316-1457 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-316-1457. Primary manufacturer part number: 1056551.
Features
  • Bolt,shoulder — FSC 5306
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
  • Thread Quantity Per Inch: 13
  • Shoulder Diameter: 0.555 INCHES MINIMUM AND 0.560 INCHES MAXIMUM FIRST SHOULDER IN
  • Material Document and Classification: MIL-S-24092 TY 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Shoulder Shape: ROUND FIRST SHOULDER
  • Surface Treatment: PHOSPHATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 4147 Overall construction
General Description

The Bolt,shoulder, cataloged under National Stock Number 5306-01-316-1457, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-316-1457
Primary Part Number1056551
Item NameBolt,shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Hardness Rating40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Thread Quantity Per Inch13
Shoulder Diameter0.555 INCHES MINIMUM AND 0.560 INCHES MAXIMUM FIRST SHOULDER IN
Material Document and ClassificationMIL-S-24092 TY 2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Shoulder ShapeROUND FIRST SHOULDER
Surface TreatmentPHOSPHATE OVERALL
Shoulder Length0.791 INCHES MINIMUM AND 0.801 INCHES MAXIMUM FIRST SHOULDER IN
Nominal Thread Diameter0.500 INCHES IN
MaterialSTEEL COMP 4147 OVERALL
Head StyleHEXAGON
Width Between Flats0.875 INCHES NOMINAL IN
Fastener Length1.796 INCHES NOMINAL IN
Head Height0.375 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Length0.532 INCHES NOMINAL IN
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5962-01-043-4930LM123K/883B INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
Cross-Reference Index
Part NumberManufacturer
1056551 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5962-01-043-4930INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM123K/883B

Frequently Asked Questions

What is NSN 5306-01-316-1457?

NSN 5306-01-316-1457 is a Bolt,shoulder, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-316-1457?

NSN 5306-01-316-1457 has 1 cross-referenced part number: 1056551 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5306-01-316-1457?

There is 1 known substitute for 5306-01-316-1457: 5962-01-043-4930. Verify interchangeability with system specifications before substitution.

What are the specifications of 1056551?

Key specifications for 1056551: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL; Thread Quantity Per Inch: 13; Shoulder Diameter: 0.555 INCHES MINIMUM AND 0.560 INCHES MAXIMUM FIRST SHOULDER IN. 17 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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