PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90X531Screw,machine

Napco International Llc Dba Napco International Inc · NSN 5305-00-013-2046 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-013-2046 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-013-2046. Primary manufacturer part number: 90X531.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.625 INCHES MINIMUM IN
  • Nondefinitive Spec/std Data: 4S STYLE AND I TYPE
  • Screw Surface Treatment: CADMIUM OR ZINC
  • Minimum Tensile Strength: 60000 POUNDS PER SQUARE INCH LBS
  • Screw Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-013-2046, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-013-2046
Primary Part Number90X531
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Nominal Thread Diameter0.190 INCHES IN
Thread DirectionRIGHT-HAND
Thread Length0.625 INCHES MINIMUM IN
Nondefinitive Spec/std Data4S STYLE AND I TYPE
Screw Surface TreatmentCADMIUM OR ZINC
Minimum Tensile Strength60000 POUNDS PER SQUARE INCH LBS
Screw Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE
Internal Drive StyleSLOT
Screw MaterialSTEEL
Screw Material Document and ClassificationQQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE
Thread Class2A A
Thread Quantity Per Inch24
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Fastener Length0.625 INCHES NOMINAL IN
Head Height0.118 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Head Diameter0.292 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN
Head StyleFILLISTER
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
9540-01-071-4703 INTERCHANGEABLE
Angle,structural
9540-01-071-8250 INTERCHANGEABLE
Angle,structural
9540-01-071-8251 INTERCHANGEABLE
Angle,structural
6850-01-144-42985R130 INTERCHANGEABLE
Developer,indirect Electrostatic
Xerox Corporation
Cross-Reference Index
Part NumberManufacturer
650127 Lauson Division of Tecumseh Products Co (USA)
90X531 PRIMARY Napco International Llc Dba Napco International Inc (USA)
67309 Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global (USA)
650127 Power Products Division of Tecumseh Products Co (USA)
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
132046 General Motors Corp (USA)
20506-38 Allied Signal Inc Aerospace Equipment Systems Eatontown Site (USA)
20506-38 PRIMARY Honeywell International, Inc Div Aerospace-Tucson (USA)
132046 General Motors Llc Dba General Motors Llc (USA)
102-65C2A85 Cardwell Condenser Corp Lapointe-Admiral Div (USA)
5R119 Colt Industries Inc Holley Automotive Div (USA)
20506-38 Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA)
Related Parts
9540-01-071-4703INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-071-8250INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-01-071-8251INTERCHANGEABLE
ANGLE,STRUCTURAL
6850-01-144-4298INTERCHANGEABLE
DEVELOPER,INDIRECT ELECTROSTATIC
5R130

Frequently Asked Questions

What is NSN 5305-00-013-2046?

NSN 5305-00-013-2046 is a Screw,machine, 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 5305-00-013-2046?

NSN 5305-00-013-2046 has 12 cross-referenced part numbers: 650127 (Lauson Division of Tecumseh Products Co), 90X531 (Napco International Llc Dba Napco International Inc), 67309 (Aesys Technologies, L.l.c. Dba Jackson & Church Hvac Global Div York Shipley Global), 650127 (Power Products Division of Tecumseh Products Co), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC) and 7 more.

What NSN replaces 5305-00-013-2046?

There are 4 known substitutes for 5305-00-013-2046: 9540-01-071-4703, 9540-01-071-8250, 9540-01-071-8251 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 90X531?

Key specifications for 90X531: Nominal Thread Diameter: 0.190 INCHES IN; Thread Direction: RIGHT-HAND; Thread Length: 0.625 INCHES MINIMUM IN; Nondefinitive Spec/std Data: 4S STYLE AND I TYPE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-013-2046 still in active supply?

NSN 5305-00-013-2046 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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