PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01681Bolt,shoulder

Defense Logistics Agency Dba Defense Supply Center Philadelphia · NSN 5306-01-115-2502 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-115-2502 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-115-2502. Primary manufacturer part number: 01681.
Features
  • Bolt,shoulder — FSC 5306
  • Thread Series Designator: UN
  • Head Diameter: 2.750 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 12
  • Material: NICKEL ALLOY K-500 OVERALL
  • Shoulder Diameter: 1.749 INCHES MINIMUM AND 1.750 INCHES MAXIMUM FIRST SHOULDER IN
  • Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Nickel Alloy K-500 Overall construction
General Description

The Bolt,shoulder, cataloged under National Stock Number 5306-01-115-2502, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-115-2502
Primary Part Number01681
Item NameBolt,shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerDefense Logistics Agency Dba Defense Supply Center Philadelphia
StatusACTIVE
Thread Series DesignatorUN
Head Diameter2.750 INCHES NOMINAL IN
Thread Quantity Per Inch12
MaterialNICKEL ALLOY K-500 OVERALL
Shoulder Diameter1.749 INCHES MINIMUM AND 1.750 INCHES MAXIMUM FIRST SHOULDER IN
Material Document and ClassificationQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Shoulder Length5.188 INCHES NOMINAL FIRST SHOULDER IN
Width Between Flats2.250 INCHES NOMINAL IN
Thread Length0.437 INCHES NOMINAL IN
Thread Class2A A
Shoulder ShapeROUND FIRST SHOULDER
Nominal Thread Diameter1.625 INCHES IN
Head Height0.375 INCHES NOMINAL IN
Head StyleROUND W/WRENCH FLATS
Fastener Length5.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-00-010-0202S501681 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Cnh Industrial America Llc Dba Cnh America
5306-00-121-9671 INTERCHANGEABLE
Bolt,machine
2520-00-164-264414153 INTERCHANGEABLE
Yoke
Komatsu America Corporation
5310-00-220-68037412391 INTERCHANGEABLE
Nut,plain,castellated,hexagon
U S Army Tank Automotive Command Amsta-Im-Mm
3460-00-228-205014153 INTERCHANGEABLE
Wheel,abrasive
Black and Decker Us Inc
5305-00-272-41031402574 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5330-00-477-2581V2B10666TA INTERCHANGEABLE
Retainer,packing
Vacco Industries
3120-00-804-97121410-0047 INTERCHANGEABLE
Bushing,sleeve
Keysight Technologies Inc
5950-00-857-1957 INTERCHANGEABLE
Reactor
3020-00-960-410601-681 INTERCHANGEABLE
Gear,antibacklash,spur
Secs Inc
Cross-Reference Index
Part NumberManufacturer
14153 Chromalloy Compressor Technologies Corp Tes Div (USA)
810-2178000-6 ITEM 4 Naval Sea Systems Command (USA)
01681 PRIMARY Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
Related Parts
3040-00-010-0202INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
S501681
5306-00-121-9671INTERCHANGEABLE
BOLT,MACHINE
2520-00-164-2644INTERCHANGEABLE
YOKE
14153
5310-00-220-6803INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
7412391
3460-00-228-2050INTERCHANGEABLE
WHEEL,ABRASIVE
14153
5305-00-272-4103INTERCHANGEABLE
SCREW,MACHINE
1402574
5330-00-477-2581INTERCHANGEABLE
RETAINER,PACKING
V2B10666TA
3120-00-804-9712INTERCHANGEABLE
BUSHING,SLEEVE
1410-0047
5950-00-857-1957INTERCHANGEABLE
REACTOR
3020-00-960-4106INTERCHANGEABLE
GEAR,ANTIBACKLASH,SPUR
01-681
5815-00-976-1239INTERCHANGEABLE
ARM
5961-01-107-9229INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE,U
14153

Frequently Asked Questions

What is NSN 5306-01-115-2502?

NSN 5306-01-115-2502 is a Bolt,shoulder, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-115-2502?

NSN 5306-01-115-2502 has 3 cross-referenced part numbers: 14153 (Chromalloy Compressor Technologies Corp Tes Div), 810-2178000-6 ITEM 4 (Naval Sea Systems Command), 01681 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).

What NSN replaces 5306-01-115-2502?

There are 12 known substitutes for 5306-01-115-2502: 3040-00-010-0202, 5306-00-121-9671, 2520-00-164-2644 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01681?

Key specifications for 01681: Thread Series Designator: UN; Head Diameter: 2.750 INCHES NOMINAL IN; Thread Quantity Per Inch: 12; Material: NICKEL ALLOY K-500 OVERALL. 16 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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