PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12759-00830Washer,lock

Fastenal Company Dba Fastenal Co · NSN 5310-01-565-1107 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-565-1107 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-565-1107. Primary manufacturer part number: 12759-00830.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
  • Style Designator: INTERNAL TEETH
  • Material: STEEL OVERALL
  • Outside Diameter: 0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
  • Material Thickness: 0.018 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
  • Material Document and Classification: SAE J403 1050-1065. CARBON STEEL ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Surface Treatment Document and Classification: ASTM B633, SC1. TYPE III AND BAKE ASSN STD SINGLE TREATMENT RESPONSE OVERALL
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 5310-01-565-1107, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-565-1107
Primary Part Number12759-00830
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFastenal Company Dba Fastenal Co
StatusACTIVE
Hole Diameter0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN
Style DesignatorINTERNAL TEETH
MaterialSTEEL OVERALL
Outside Diameter0.395 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
Material Thickness0.018 INCHES MINIMUM AND 0.024 INCHES MAXIMUM IN
Material Document and ClassificationSAE J403 1050-1065. CARBON STEEL ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Surface Treatment Document and ClassificationASTM B633, SC1. TYPE III AND BAKE ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5940-00-754-6861104375 INTERCHANGEABLE
Terminal,lug
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-00-765-156833735 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6550-01-504-6267CT0056B INTERCHANGEABLE
Sensitivity Discs,diagnostic
Remel Inc.
5210-01-587-6747 INTERCHANGEABLE
Tape,measuring
Cross-Reference Index
Part NumberManufacturer
12759-00830 PRIMARY Fastenal Company Dba Fastenal Co (USA)
33735 PRIMARY Fastenal Company Dba Fastenal Co (USA)
Related Parts
5940-00-754-6861INTERCHANGEABLE
TERMINAL,LUG
104375
5330-00-765-1568INTERCHANGEABLE
SEAL,PLAIN ENCASED
33735
6550-01-504-6267INTERCHANGEABLE
SENSITIVITY DISCS,DIAGNOSTIC
CT0056B
5210-01-587-6747INTERCHANGEABLE
TAPE,MEASURING

Frequently Asked Questions

What is NSN 5310-01-565-1107?

NSN 5310-01-565-1107 is a Washer,lock, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-565-1107?

NSN 5310-01-565-1107 has 2 cross-referenced part numbers: 12759-00830 (Fastenal Company Dba Fastenal Co), 33735 (Fastenal Company Dba Fastenal Co).

What NSN replaces 5310-01-565-1107?

There are 4 known substitutes for 5310-01-565-1107: 5940-00-754-6861, 5330-00-765-1568, 6550-01-504-6267 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12759-00830?

Key specifications for 12759-00830: End Item Identification: SPECIAL AIRCRAFT AND ENGINE TOOL AND SUPPORT EQUIPMENT/PARTS; TOW TRACTOR, AIRCRAFT; ASSEMBLY FRONT WIPE; TOW TRACTOR A/C (P/N 4JPAV, PCC: 6J9); Hole Diameter: 0.195 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN; Style Designator: INTERNAL TEETH; Material: STEEL OVERALL. 11 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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