PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13264Washer,key

Harbormaster Marine, Inc · NSN 5310-00-247-4264 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-247-4264 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-247-4264. Primary manufacturer part number: 13264.
Features
  • Washer,key — FSC 5310
  • Style Designator: KEY
  • Internal Prebent Key Width: 0.272 INCHES NOMINAL IN
  • Hole Diameter: 1.808 INCHES NOMINAL IN
  • Internal Prebent Key Length: 0.164 INCHES NOMINAL IN
  • Outside Diameter: 2.305 INCHES NOMINAL IN
  • External Key Quantity: 17
  • Overall Distance Including Keys: 2.704 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,key, cataloged under National Stock Number 5310-00-247-4264, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Harbormaster Marine, Inc. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-247-4264
Primary Part Number13264
Item NameWasher,key
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHarbormaster Marine, Inc
StatusCANCELLED
Style DesignatorKEY
Internal Prebent Key Width0.272 INCHES NOMINAL IN
Hole Diameter1.808 INCHES NOMINAL IN
Internal Prebent Key Length0.164 INCHES NOMINAL IN
Outside Diameter2.305 INCHES NOMINAL IN
External Key Quantity17
Overall Distance Including Keys2.704 INCHES NOMINAL IN
External Prebent Key Width0.224 INCHES NOMINAL IN
Material Thickness0.072 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5330-00-172-7162 INTERCHANGEABLE
Retainer,packing
5950-00-321-8141861109 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5136-00-580-717754928 INTERCHANGEABLE
Tap,thread Cutting
Tapco Cutting Tools Inc
1650-00-716-146313264 INTERCHANGEABLE
Parts Kit,valve Ass
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5935-00-916-04561104004A002-000 INTERCHANGEABLE
Connector,plug,electrical
Delta Electronics Manufacturing Corp Div Delta Electronics Mfg. Corp.
5930-01-350-9422754077-001 INTERCHANGEABLE
Switch,rotary
Drs Signal Solutions, Inc.
6640-01-576-1312 INTERCHANGEABLE
Incubator,bacteriological
Cross-Reference Index
Part NumberManufacturer
13264 PRIMARY Harbormaster Marine, Inc (USA)
TW109 PRIMARY The Timken Corporation (USA)
Related Parts
5330-00-172-7162INTERCHANGEABLE
RETAINER,PACKING
5950-00-321-8141INTERCHANGEABLE
REACTOR
861109
5136-00-580-7177INTERCHANGEABLE
TAP,THREAD CUTTING
54928
1650-00-716-1463INTERCHANGEABLE
PARTS KIT,VALVE ASS
13264
5935-00-916-0456INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1104004A002-000
5930-01-350-9422INTERCHANGEABLE
SWITCH,ROTARY
754077-001
6640-01-576-1312INTERCHANGEABLE
INCUBATOR,BACTERIOLOGICAL

Frequently Asked Questions

What is NSN 5310-00-247-4264?

NSN 5310-00-247-4264 is a Washer,key, manufactured by Harbormaster Marine, Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-247-4264?

NSN 5310-00-247-4264 has 2 cross-referenced part numbers: 13264 (Harbormaster Marine, Inc), TW109 (The Timken Corporation).

What NSN replaces 5310-00-247-4264?

There are 7 known substitutes for 5310-00-247-4264: 5330-00-172-7162, 5950-00-321-8141, 5136-00-580-7177 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13264?

Key specifications for 13264: Style Designator: KEY; Internal Prebent Key Width: 0.272 INCHES NOMINAL IN; Hole Diameter: 1.808 INCHES NOMINAL IN; Internal Prebent Key Length: 0.164 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-247-4264 still in active supply?

NSN 5310-00-247-4264 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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