PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4596Screw,machine

Zero-Max, Inc · NSN 5305-00-559-8145 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-559-8145 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-559-8145. Primary manufacturer part number: 4596.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Thread Length: 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
  • Head Diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Screw Material: STEEL
  • Hole Quantity: 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-559-8145, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zero-Max, Inc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-559-8145
Primary Part Number4596
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerZero-Max, Inc
StatusCANCELLED
Thread Class2A A
Thread Length0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Head Diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Nominal Thread Diameter0.164 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw MaterialSTEEL
Hole Quantity1
Screw Surface TreatmentCADMIUM AND CHROMATE
Screw Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
Head Hole Configuration StyleROUND LONGITUDINAL HOLE
Thread Quantity Per Inch32
Screw Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE
Minimum Tensile Strength55000 POUNDS PER SQUARE INCH LBS
Head Height0.106 INCHES MINIMUM AND 0.113 INCHES MAXIMUM IN
Hole Diameter0.046 INCHES NOMINAL IN
Internal Drive StyleSLOT
Head StyleFILLISTER
Thread DirectionRIGHT-HAND
Fastener Length0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5905-00-123-528795J150 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5305-00-151-2948 INTERCHANGEABLE
Screw,machine
5950-00-151-45442678618 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5331-00-480-61514596 INTERCHANGEABLE
O-Ring
Lawler Manufacturing Company, Inc.
3740-00-514-04264596 INTERCHANGEABLE
Retainer,nozzle
B & G Equipment Company
6240-00-577-84504596 INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
4820-01-014-78684596 INTERCHANGEABLE
Valve,safety Relief
Pneudraulics, Inc.
5330-01-214-509662-A-116-C52-2 INTERCHANGEABLE
Gasket
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4030-01-440-84414596 INTERCHANGEABLE
Band,wire Strand
Tyco Fire Products Lp
3040-01-467-88024596 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
4596 Zero-Max, Inc (USA)
931.45.13.042 Pilatus Aircraft Ltd (CHE)
3103757 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
P2866 Honeywell International Inc Div Aerospace-South Bend (bendix Dr) (USA)
MS35265-42 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
000153X0692 Eaton Corporation Dba Airflex Div Div Airflex (USA)
5304326 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
H03J05D Computair Inc (USA)
Related Parts
5905-00-123-5287INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
95J150
5305-00-151-2948INTERCHANGEABLE
SCREW,MACHINE
5950-00-151-4544INTERCHANGEABLE
TRANSFORMER,POWER
2678618
5331-00-480-6151INTERCHANGEABLE
O-RING
4596
3740-00-514-0426INTERCHANGEABLE
RETAINER,NOZZLE
4596
6240-00-577-8450INTERCHANGEABLE
LAMP,INCANDESCENT
4596
4820-01-014-7868INTERCHANGEABLE
VALVE,SAFETY RELIEF
4596
5330-01-214-5096INTERCHANGEABLE
GASKET
62-A-116-C52-2
4030-01-440-8441INTERCHANGEABLE
BAND,WIRE STRAND
4596
3040-01-467-8802INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
4596

Frequently Asked Questions

What is NSN 5305-00-559-8145?

NSN 5305-00-559-8145 is a Screw,machine, manufactured by Zero-Max, Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-559-8145?

NSN 5305-00-559-8145 has 8 cross-referenced part numbers: 4596 (Zero-Max, Inc), 931.45.13.042 (Pilatus Aircraft Ltd), 3103757 (Ford Motor Co Ford Parts and Service Div Government Part Sales), P2866 (Honeywell International Inc Div Aerospace-South Bend (bendix Dr)), MS35265-42 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 5305-00-559-8145?

There are 10 known substitutes for 5305-00-559-8145: 5905-00-123-5287, 5305-00-151-2948, 5950-00-151-4544 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4596?

Key specifications for 4596: Thread Class: 2A A; Thread Length: 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Head Diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.164 INCHES IN. 20 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-559-8145 still in active supply?

NSN 5305-00-559-8145 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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