PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68045Washer,keyway

Textron Lycoming Inc Williamsport Plant · NSN 5310-00-639-0336 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-639-0336 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-639-0336. Primary manufacturer part number: 68045.
Features
  • Washer,keyway — FSC 5310
  • External Keyway Width: 0.180 INCHES NOMINAL IN
  • Material Thickness: 0.0925 INCHES NOMINAL IN
  • Material Document and Classification: AMS6355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 1.000 INCHES NOMINAL IN
  • Hole Diameter: 0.5045 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • External Keyway Quantity: 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,keyway, cataloged under National Stock Number 5310-00-639-0336, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Textron Lycoming Inc Williamsport Plant. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-639-0336
Primary Part Number68045
Item NameWasher,keyway
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTextron Lycoming Inc Williamsport Plant
StatusACTIVE
External Keyway Width0.180 INCHES NOMINAL IN
Material Thickness0.0925 INCHES NOMINAL IN
Material Document and ClassificationAMS6355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter1.000 INCHES NOMINAL IN
Hole Diameter0.5045 INCHES NOMINAL IN
MaterialSTEEL OVERALL
External Keyway Quantity1
External Keyway Length0.160 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5210-00-554-71345210-00-554-7134 INTERCHANGEABLE
Caliper Set,micrometer,outside
General Services Administration Federal Supply Service
5120-00-900-9344 INTERCHANGEABLE
Key,socket Head Screw
4810-00-963-177368-045 INTERCHANGEABLE
Parts Kit,solenoid Valve
Automatic Switch Company Dba Asco
6680-01-200-253168045 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
5340-01-205-891868045 INTERCHANGEABLE
Clamp
Frontgrade Technologies Inc.
5330-01-304-345068045 INTERCHANGEABLE
Seal,plain
Itw Food Equipment Group Llc Dba Hobart Service
5210-01-619-981268045 INTERCHANGEABLE
Caliper Set,micrometer,outside
Hurco Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
68045 Satair A/s (DNK)
68045 PRIMARY Textron Lycoming Inc Williamsport Plant (USA)
Related Parts
5210-00-554-7134INTERCHANGEABLE
CALIPER SET,MICROMETER,OUTSIDE
5210-00-554-7134
5120-00-900-9344INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
4810-00-963-1773INTERCHANGEABLE
PARTS KIT,SOLENOID VALVE
68-045
6680-01-200-2531INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
68045
5340-01-205-8918INTERCHANGEABLE
CLAMP
68045
5330-01-304-3450INTERCHANGEABLE
SEAL,PLAIN
68045
5210-01-619-9812INTERCHANGEABLE
CALIPER SET,MICROMETER,OUTSIDE
68045

Frequently Asked Questions

What is NSN 5310-00-639-0336?

NSN 5310-00-639-0336 is a Washer,keyway, manufactured by Textron Lycoming Inc Williamsport Plant, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-639-0336?

NSN 5310-00-639-0336 has 2 cross-referenced part numbers: 68045 (Satair A/s), 68045 (Textron Lycoming Inc Williamsport Plant).

What NSN replaces 5310-00-639-0336?

There are 7 known substitutes for 5310-00-639-0336: 5210-00-554-7134, 5120-00-900-9344, 4810-00-963-1773 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 68045?

Key specifications for 68045: External Keyway Width: 0.180 INCHES NOMINAL IN; Material Thickness: 0.0925 INCHES NOMINAL IN; Material Document and Classification: AMS6355 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.000 INCHES NOMINAL IN. 8 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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