PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3B4516Washer,lock

Caterpillar Inc Div Caterpillar Defense · NSN 5310-00-298-7484 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-298-7484 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-298-7484. Primary manufacturer part number: 3B4516.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Thickness: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Outside Diameter: 1.611 INCHES MINIMUM AND 1.647 INCHES MAXIMUM IN
  • Hole Diameter: 1.017 INCHES MINIMUM AND 1.053 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-298-7484, is classified within Federal Supply Class 5310 (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 5 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
NSN5310-00-298-7484
Primary Part Number3B4516
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Thickness0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Outside Diameter1.611 INCHES MINIMUM AND 1.647 INCHES MAXIMUM IN
Hole Diameter1.017 INCHES MINIMUM AND 1.053 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-584-7889004-003005-062 INTERCHANGEABLE
Washer,lock
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
Cross-Reference Index
Part NumberManufacturer
3B4516 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5310-00-584-7889INTERCHANGEABLE
WASHER,LOCK
004-003005-062

Frequently Asked Questions

What is NSN 5310-00-298-7484?

NSN 5310-00-298-7484 is a Washer,lock, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-298-7484?

NSN 5310-00-298-7484 has 1 cross-referenced part number: 3B4516 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5310-00-298-7484?

There is 1 known substitute for 5310-00-298-7484: 5310-00-584-7889. Verify interchangeability with system specifications before substitution.

What are the specifications of 3B4516?

Key specifications for 3B4516: Style Designator: SPLIT HELICAL-RIGHT HAND; Material Thickness: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Material: STEEL OVERALL; Outside Diameter: 1.611 INCHES MINIMUM AND 1.647 INCHES MAXIMUM IN. 5 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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