PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

62254Screw,assembled Washer

Generac Mobile Products, Llc · NSN 5305-01-649-5726 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-649-5726 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-649-5726. Primary manufacturer part number: 62254.
Features
  • Screw,assembled Washer — FSC 5305
  • Width Between Flats: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Thread Length: 0.500 INCHES NOMINAL IN
  • Internal Drive Style: HEXAGON
  • Extended Washer Diameter: 0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
  • Width Across Flats: 0.310 INCHES NOMINAL IN
  • Primary Washer Outside Diameter: 0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
  • Head Style: CHAMFER FLANGE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 Overall construction
General Description

The Screw,assembled Washer, cataloged under National Stock Number 5305-01-649-5726, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Generac Mobile Products, Llc. Government technical data includes 19 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
NSN5305-01-649-5726
Primary Part Number62254
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGenerac Mobile Products, Llc
StatusACTIVE
Width Between Flats0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Thread Length0.500 INCHES NOMINAL IN
Internal Drive StyleHEXAGON
Extended Washer Diameter0.384 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
Width Across Flats0.310 INCHES NOMINAL IN
Primary Washer Outside Diameter0.322 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
Head StyleCHAMFER FLANGE
Fastener Length0.500 INCHES NOMINAL IN
Nominal Thread Diameter0.190 INCHES IN
Features ProvidedLOCK WASHER
Thread Class2A A
Thread Quantity Per Inch32
Primary Washer Material Thickness0.019 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
Head Height0.105 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
Washer Quantity1
Primary Washer StyleFLAT
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 302 OVERALL
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
1270-00-403-894662254 INTERCHANGEABLE
Control Valve Assy
Cadillac Gage Textron Inc.
5961-00-534-7615715725H2 INTERCHANGEABLE
Transistor
Engineered Magnetics, Inc. Dba Engineered Magnetics
5340-00-598-008062254 INTERCHANGEABLE
Clamp,loop
Textron Lycoming Inc Williamsport Plant
5985-00-682-0842SM-C-336233 INTERCHANGEABLE
Attenuator,variable
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4320-01-036-493162254 INTERCHANGEABLE
Seal Spring Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
7640-01-260-116162254 INTERCHANGEABLE
Chart
Getinge Usa Inc
4730-01-373-353762652 INTERCHANGEABLE
Air Vent Unit
Spirax Sarco Inc Dba Spirax Sarco
Cross-Reference Index
Part NumberManufacturer
62254 PRIMARY Generac Mobile Products, Llc (USA)
62254 Adams Nut and Bolt Co Inc (USA)
Related Parts
1270-00-403-8946INTERCHANGEABLE
CONTROL VALVE ASSY
62254
5961-00-534-7615INTERCHANGEABLE
TRANSISTOR
715725H2
5340-00-598-0080INTERCHANGEABLE
CLAMP,LOOP
62254
5985-00-682-0842INTERCHANGEABLE
ATTENUATOR,VARIABLE
SM-C-336233
4320-01-036-4931INTERCHANGEABLE
SEAL SPRING PUMP
62254
7640-01-260-1161INTERCHANGEABLE
CHART
62254
4730-01-373-3537INTERCHANGEABLE
AIR VENT UNIT
62652

Frequently Asked Questions

What is NSN 5305-01-649-5726?

NSN 5305-01-649-5726 is a Screw,assembled Washer, manufactured by Generac Mobile Products, Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-649-5726?

NSN 5305-01-649-5726 has 2 cross-referenced part numbers: 62254 (Generac Mobile Products, Llc), 62254 (Adams Nut and Bolt Co Inc).

What NSN replaces 5305-01-649-5726?

There are 7 known substitutes for 5305-01-649-5726: 1270-00-403-8946, 5961-00-534-7615, 5340-00-598-0080 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 62254?

Key specifications for 62254: End Item Identification: 6115-01-591-1161; Width Between Flats: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Thread Length: 0.500 INCHES NOMINAL IN; Internal Drive Style: HEXAGON. 21 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