PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8599273-205Screw,machine

L3harris Mas Inc Div L3harris Mas Inc. · NSN 5305-00-543-2774 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-543-2774 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-543-2774. Primary manufacturer part number: 8599273-205.
Features
  • Screw,machine — FSC 5305
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Head Height: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Screw Material: STEEL CORROSION RESISTING
  • Screw Material Document and Classification: QQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE
  • Head Diameter: 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Screw Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-543-2774, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Mas Inc Div L3harris Mas Inc.. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-543-2774
Primary Part Number8599273-205
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3harris Mas Inc Div L3harris Mas Inc.
StatusCANCELLED
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head Height0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Screw MaterialSTEEL CORROSION RESISTING
Screw Material Document and ClassificationQQ-S-763,300 SERIES FED SPEC SINGLE MATERIAL RESPONSE OR 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OR COMP 16-18 OR 18-8 ASSN STD SINGLE MATERIAL RESPONSE
Head Diameter0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Screw Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
Nominal Thread Diameter0.138 INCHES IN
Screw Surface TreatmentPASSIVATE
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Thread DirectionRIGHT-HAND
Fastener Length0.750 INCHES NOMINAL IN
Thread Class2A A
Internal Drive StyleSLOT
Head StylePAN NO. 2
Thread Length0.750 INCHES MINIMUM IN
Nondefinitive Spec/std Data1 TYPE AND 9S STYLE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5305-00-054-6656 INTERCHANGEABLE
Screw,machine
5305-00-054-6673 INTERCHANGEABLE
Screw,machine
5305-00-958-3858 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
8599273-205 L3harris Mas Inc Div L3harris Mas Inc. (CAN)
MS35233-32 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
8599273-205 General Motors Corp (USA)
FFS92 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
714595-229 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
12Z1132-29 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
6-32X3-4 Proverbs 31 Investments Llc Dba Gateway Strategic Sourcing Div Gateway Strategic Sourcing (USA)
Related Parts
5305-00-054-6656INTERCHANGEABLE
SCREW,MACHINE
5305-00-054-6673INTERCHANGEABLE
SCREW,MACHINE
5305-00-958-3858INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 5305-00-543-2774?

NSN 5305-00-543-2774 is a Screw,machine, manufactured by L3harris Mas Inc Div L3harris Mas Inc., classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-543-2774?

NSN 5305-00-543-2774 has 7 cross-referenced part numbers: 8599273-205 (L3harris Mas Inc Div L3harris Mas Inc.), MS35233-32 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 8599273-205 (General Motors Corp), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC), 714595-229 (Lockheed Martin Corporation Div Rms - Mitchel Field) and 2 more.

What NSN replaces 5305-00-543-2774?

There are 3 known substitutes for 5305-00-543-2774: 5305-00-054-6656, 5305-00-054-6673, 5305-00-958-3858. Verify interchangeability with system specifications before substitution.

What are the specifications of 8599273-205?

Key specifications for 8599273-205: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Head Height: 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM IN; Thread Quantity Per Inch: 32; Screw Material: STEEL CORROSION RESISTING. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-543-2774 still in active supply?

NSN 5305-00-543-2774 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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