PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101-142SScrew,assembled Washer

Napco International Llc Dba Napco International Inc · NSN 5305-00-145-0230 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-145-0230 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-145-0230. Primary manufacturer part number: 101-142S.
Features
  • Screw,assembled Washer — FSC 5305
  • Fastener Length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Primary Washer Material Thickness: 0.031 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
  • Internal Drive Style: SLOT
  • Washer Quantity: 1
  • Head Height: 0.126 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
  • Thread Class: 2A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1008 or Steel Comp 1018 Primary Washer construction
General Description

The Screw,assembled Washer, cataloged under National Stock Number 5305-00-145-0230, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-145-0230
Primary Part Number101-142S
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Fastener Length0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Primary Washer Material Thickness0.031 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Washer Quantity1
Head Height0.126 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Thread Class2A A
Thread Quantity Per Inch32
Primary Washer Outside Diameter0.257 INCHES MAXIMUM IN
Nominal Thread Diameter0.164 INCHES IN
Primary Washer StyleSPLIT HELICAL RING
Head Diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Head StyleFILLISTER
Surface TreatmentZINC OVERALL
MaterialSTEEL COMP 1008 OR STEEL COMP 1018 PRIMARY WASHER
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES FASTENER
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES PRIMARY WASHER
MaterialSTEEL COMP 1008 OR STEEL COMP 1018 FASTENER
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6220-00-284-091015B7310 INTERCHANGEABLE
Light,marker,clearance
Napco International Llc Dba Napco International Inc
2805-00-424-2806HG272D INTERCHANGEABLE
Insert,engine Valve Seat
Wisconsin Motors, Llc
2940-00-848-6043101053 INTERCHANGEABLE
Filter Element,intake Air Cleane
American Turbo Systems Inc
2540-01-242-5445 INTERCHANGEABLE
Cover,seat,vehicular
6210-01-665-0686HP116384 INTERCHANGEABLE
Indicator,light
Dover Corp Groen Div
4240-01-710-7403605648 INTERCHANGEABLE
Parts Kit,regulator Breathing Ga
Avon Protection Systems Incorporated Dba Avon Protection Systems Inc
Cross-Reference Index
Part NumberManufacturer
355067S8 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
68484R91 Navistar International Corporation Dba Navistar (USA)
101-142S Acf Industries Inc Carter Carburetor Div
355067S7 Ford Motor Company (USA)
917089 Chrysler Corp Service and Parts Opns (USA)
101-142S Federal Motor Truck Div of Napco Industries Inc (USA)
116384 Am General Llc (USA)
917089 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
68484R91 International Harvester Co Agricultural Equipment Div (USA)
101-142S PRIMARY Napco International Llc Dba Napco International Inc (USA)
355067S8 Ford Motor Company (USA)
56312 Hyster-Yale Group, Inc. (USA)
666381 Sasco Inc Canadian Div
355067S7 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
7343368 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
605648 General Motors Corp (USA)
Related Parts
6220-00-284-0910INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
15B7310
2805-00-424-2806INTERCHANGEABLE
INSERT,ENGINE VALVE SEAT
HG272D
2940-00-848-6043INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
101053
2540-01-242-5445INTERCHANGEABLE
COVER,SEAT,VEHICULAR
6210-01-665-0686INTERCHANGEABLE
INDICATOR,LIGHT
HP116384
4240-01-710-7403INTERCHANGEABLE
PARTS KIT,REGULATOR BREATHING GA
605648

Frequently Asked Questions

What is NSN 5305-00-145-0230?

NSN 5305-00-145-0230 is a Screw,assembled Washer, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-145-0230?

NSN 5305-00-145-0230 has 16 cross-referenced part numbers: 355067S8 (Ford Motor Co Ford Parts and Service Div Government Part Sales), 68484R91 (Navistar International Corporation Dba Navistar), 101-142S (Acf Industries Inc Carter Carburetor Div), 355067S7 (Ford Motor Company), 917089 (Chrysler Corp Service and Parts Opns) and 11 more.

What NSN replaces 5305-00-145-0230?

There are 6 known substitutes for 5305-00-145-0230: 6220-00-284-0910, 2805-00-424-2806, 2940-00-848-6043 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101-142S?

Key specifications for 101-142S: Fastener Length: 0.297 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Primary Washer Material Thickness: 0.031 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN; Internal Drive Style: SLOT. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-145-0230 still in active supply?

NSN 5305-00-145-0230 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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