PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8B1056Pin,straight,headed

Caterpillar Inc Div Caterpillar Defense · NSN 5315-00-276-3666 · FSC 5315 · No Item Name Available
Verified by PartsTable
NSN 5315-00-276-3666 — this item is cataloged by the U.S. Government under National Stock Number 5315-00-276-3666. Primary manufacturer part number: 8B1056.
Features
  • Pin,straight,headed — FSC 5315
  • Pin Head Diameter: 0.938 INCHES NOMINAL IN
  • Height: 0.250 INCHES NOMINAL IN
  • Diameter: 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
  • Hole Arrangement Style: ONE END DRILLED
  • Under Head Length: 2.047 INCHES NOMINAL IN
  • Chamfer Length: 0.101 INCHES NOMINAL IN
  • Style Designator: STRAIGHT
Applications
  • Applications requiring Steel Comp 1115 Overall construction
General Description

The Pin,straight,headed, cataloged under National Stock Number 5315-00-276-3666, is classified within Federal Supply Class 5315 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 12 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
NSN5315-00-276-3666
Primary Part Number8B1056
Item NamePin,straight,headed
FSC / FSG5315 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Pin Head Diameter0.938 INCHES NOMINAL IN
Height0.250 INCHES NOMINAL IN
Diameter0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN
Hole Arrangement StyleONE END DRILLED
Under Head Length2.047 INCHES NOMINAL IN
Chamfer Length0.101 INCHES NOMINAL IN
Style DesignatorSTRAIGHT
First Hole Diameter0.204 INCHES NOMINAL IN
Pin Chamfer Angle25.0 DEGREES NOMINAL
Head StyleFLAT
Distance From Centerline of Hole to End of Pin0.297 INCHES NOMINAL IN
MaterialSTEEL COMP 1115 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-00-741-187735635 INTERCHANGEABLE
Gear Cluster
New Venture Gear Inc New Process Gear Div
Cross-Reference Index
Part NumberManufacturer
8B1056 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
3020-00-741-1877INTERCHANGEABLE
GEAR CLUSTER
35635

Frequently Asked Questions

What is NSN 5315-00-276-3666?

NSN 5315-00-276-3666 is a Pin,straight,headed, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5315 (No Item Name Available). Status: active.

What are the part numbers for NSN 5315-00-276-3666?

NSN 5315-00-276-3666 has 1 cross-referenced part number: 8B1056 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5315-00-276-3666?

There is 1 known substitute for 5315-00-276-3666: 3020-00-741-1877. Verify interchangeability with system specifications before substitution.

What are the specifications of 8B1056?

Key specifications for 8B1056: Pin Head Diameter: 0.938 INCHES NOMINAL IN; Height: 0.250 INCHES NOMINAL IN; Diameter: 0.746 INCHES MINIMUM AND 0.748 INCHES MAXIMUM IN; Hole Arrangement Style: ONE END DRILLED. 12 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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