PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

S2811-1Bolt,machine

Meritor Industrial Products, Llc · NSN 5306-00-281-5125 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-281-5125 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-281-5125. Primary manufacturer part number: S2811-1.
Features
  • Bolt,machine — FSC 5306
  • Thread Length: 1.250 INCHES MINIMUM IN
  • Thread Class: 3A A
  • Head Height: 0.312 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Width Between Flats: 0.840 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 13
  • Head Style: HEXAGON
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 3135 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-281-5125, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Meritor Industrial Products, Llc. Government technical data includes 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5306-00-281-5125
Primary Part NumberS2811-1
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerMeritor Industrial Products, Llc
StatusCANCELLED
Thread Length1.250 INCHES MINIMUM IN
Thread Class3A A
Head Height0.312 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Width Between Flats0.840 INCHES NOMINAL IN
Thread Quantity Per Inch13
Head StyleHEXAGON
Nominal Thread Diameter0.500 INCHES IN
Fastener Length1.375 INCHES NOMINAL IN
Features ProvidedFINISHED HEAD
Hardness Rating27.6 ROCKWELL C MINIMUM AND 34.3 ROCKWELL C MAXIMUM OVERALL
Minimum Yield Strength110000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL COMP 3135 OVERALL
Material Document and ClassificationQQ-S-624 3135 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor5340-01-066-3982 (385-11)
HAZMATNo
Verified Substitutes 2
No Item Name Available
5340-01-066-3982385-11 SUCCESSOR
Clamp,loop
Transdigm Inc Dba Adel Wiggins Group Div Adel Wiggins
Cross-Reference Index
Part NumberManufacturer
S2811-1 Available Truck Co (USA)
S2811-1 PRIMARY Meritor Industrial Products, Llc (USA)
S2811-1 Meritor Heavy Vehicle Systems, Llc (USA)
Related Parts
SUCCESSOR 5340-01-066-3982 Clamp,loop · 385-11
5306-00-207-3329SUCCESSOR
NO ITEM NAME AVAILABLE

Frequently Asked Questions

What is NSN 5306-00-281-5125?

NSN 5306-00-281-5125 is a Bolt,machine, manufactured by Meritor Industrial Products, Llc, classified under FSC 5306 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5306-00-281-5125?

NSN 5306-00-281-5125 has 3 cross-referenced part numbers: S2811-1 (Available Truck Co), S2811-1 (Meritor Industrial Products, Llc), S2811-1 (Meritor Heavy Vehicle Systems, Llc).

What NSN replaces 5306-00-281-5125?

There are 2 known substitutes for 5306-00-281-5125: 5306-00-207-3329, 5340-01-066-3982. Verify interchangeability with system specifications before substitution.

What are the specifications of S2811-1?

Key specifications for S2811-1: Thread Length: 1.250 INCHES MINIMUM IN; Thread Class: 3A A; Head Height: 0.312 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5306-00-281-5125 still in active supply?

NSN 5306-00-281-5125 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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