PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30265Washer,keyway

Hamilton Sundstrand Corporation Dba Collins Aerospace · NSN 5310-00-342-0442 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-342-0442 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-342-0442. Primary manufacturer part number: 30265.
Features
  • Washer,keyway — FSC 5310
  • Hole Diameter: 0.324 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
  • Distance From Centerline to Bottom of Internal Keyway: 0.223 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Internal Keyway Width: 0.080 INCHES NOMINAL IN
  • Internal Keyway Quantity: 1
  • Outside Diameter: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,keyway, cataloged under National Stock Number 5310-00-342-0442, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 10 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-342-0442
Primary Part Number30265
Item NameWasher,keyway
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Hole Diameter0.324 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Distance From Centerline to Bottom of Internal Keyway0.223 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL COMP 303 OVERALL
Internal Keyway Width0.080 INCHES NOMINAL IN
Internal Keyway Quantity1
Outside Diameter0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Material Document and ClassificationASTM A582 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Material Thickness0.050 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-100-0580 INTERCHANGEABLE
Cup,tapered Roller Bearing
6115-00-374-5244 INTERCHANGEABLE
Button,stop,magneto
3455-01-127-522230265 INTERCHANGEABLE
Cutter,milling,end
Johnson Carbide Products Inc
5130-01-303-744130265 INTERCHANGEABLE
Brush,wire,rotary End
Jason Incorporated Dba Osborn International a Unit of Jason
5360-01-417-774730265 INTERCHANGEABLE
Spring,helical,compression
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
4730-01-595-6802 INTERCHANGEABLE
Swivel Joint,tube
Cross-Reference Index
Part NumberManufacturer
30265 United Technologies Corp Hamilton Sundstrand Corp (USA)
30265 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
Related Parts
3110-00-100-0580INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
6115-00-374-5244INTERCHANGEABLE
BUTTON,STOP,MAGNETO
3455-01-127-5222INTERCHANGEABLE
CUTTER,MILLING,END
30265
5130-01-303-7441INTERCHANGEABLE
BRUSH,WIRE,ROTARY END
30265
5360-01-417-7747INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
30265
4730-01-595-6802INTERCHANGEABLE
SWIVEL JOINT,TUBE

Frequently Asked Questions

What is NSN 5310-00-342-0442?

NSN 5310-00-342-0442 is a Washer,keyway, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-342-0442?

NSN 5310-00-342-0442 has 2 cross-referenced part numbers: 30265 (United Technologies Corp Hamilton Sundstrand Corp), 30265 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What NSN replaces 5310-00-342-0442?

There are 6 known substitutes for 5310-00-342-0442: 3110-00-100-0580, 6115-00-374-5244, 3455-01-127-5222 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30265?

Key specifications for 30265: Hole Diameter: 0.324 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Distance From Centerline to Bottom of Internal Keyway: 0.223 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Material: STEEL COMP 303 OVERALL. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com