PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9B1117Washer,lock

Caterpillar Inc Div Caterpillar Defense · NSN 5310-00-688-2202 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-688-2202 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-688-2202. Primary manufacturer part number: 9B1117.
Features
  • Washer,lock — FSC 5310
  • Material: STEEL OVERALL
  • Hole Diameter: 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
  • Material Thickness: 0.031 INCHES NOMINAL IN
  • Outside Diameter: 0.213 INCHES NOMINAL IN
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • 3 verified cross-references
  • 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 5310-00-688-2202, 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 3 commercial cross-references from 2 manufacturers, 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
NSN5310-00-688-2202
Primary Part Number9B1117
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
MaterialSTEEL OVERALL
Hole Diameter0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN
Material Thickness0.031 INCHES NOMINAL IN
Outside Diameter0.213 INCHES NOMINAL IN
Style DesignatorSPLIT HELICAL-RIGHT HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5310-00-088-4075NAS1676-6 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
6HCL0CKWASHER Mellowes Co Div of Charter Mfg Co Inc (USA)
9B1117 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
SIZE6L0CKWASHER Mellowes Co Div of Charter Mfg Co Inc (USA)
Related Parts
5310-00-088-4075INTERCHANGEABLE
WASHER,LOCK
NAS1676-6

Frequently Asked Questions

What is NSN 5310-00-688-2202?

NSN 5310-00-688-2202 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 5310-00-688-2202?

NSN 5310-00-688-2202 has 3 cross-referenced part numbers: 6HCL0CKWASHER (Mellowes Co Div of Charter Mfg Co Inc), 9B1117 (Caterpillar Inc Div Caterpillar Defense), SIZE6L0CKWASHER (Mellowes Co Div of Charter Mfg Co Inc).

What NSN replaces 5310-00-688-2202?

There is 1 known substitute for 5310-00-688-2202: 5310-00-088-4075. Verify interchangeability with system specifications before substitution.

What are the specifications of 9B1117?

Key specifications for 9B1117: Material: STEEL OVERALL; Hole Diameter: 0.141 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN; Material Thickness: 0.031 INCHES NOMINAL IN; Outside Diameter: 0.213 INCHES NOMINAL 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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