PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8599260-296Screw,machine

L3harris Mas Inc Div L3harris Mas Inc. · NSN 5305-00-042-1206 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-042-1206 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-042-1206. Primary manufacturer part number: 8599260-296.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: PASSIVATE
  • Nondefinitive Spec/std Data: 1 TYPE AND 2S STYLE
  • Thread Class: 2A A
  • Head Diameter: 0.348 INCHES MINIMUM IN
  • Thread Quantity Per Inch: 32
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Screw Material: STEEL COMP 410
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-042-1206, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-042-1206
Primary Part Number8599260-296
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3harris Mas Inc Div L3harris Mas Inc.
StatusCANCELLED
Screw Surface TreatmentPASSIVATE
Nondefinitive Spec/std Data1 TYPE AND 2S STYLE
Thread Class2A A
Head Diameter0.348 INCHES MINIMUM IN
Thread Quantity Per Inch32
Nominal Thread Diameter0.190 INCHES IN
Screw MaterialSTEEL COMP 410
Thread DirectionRIGHT-HAND
Fastener Length0.500 INCHES NOMINAL IN
Head StyleFLAT COUNTERSUNK
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Thread Series DesignatorUNF
Thread Length0.371 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
Screw Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
Internal Drive StyleSLOT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5305-00-071-1322MS51960-65 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
8599260-296 L3harris Mas Inc Div L3harris Mas Inc. (CAN)
43S78820-9040 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
MS35250-72 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
421206 General Motors Corp (USA)
8599260-296 General Motors Corp (USA)
FFS92TYPE1STYLE2S Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5305-00-071-1322INTERCHANGEABLE
SCREW,MACHINE
MS51960-65

Frequently Asked Questions

What is NSN 5305-00-042-1206?

NSN 5305-00-042-1206 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 5305-00-042-1206?

NSN 5305-00-042-1206 has 6 cross-referenced part numbers: 8599260-296 (L3harris Mas Inc Div L3harris Mas Inc.), 43S78820-9040 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS35250-72 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 421206 (General Motors Corp), 8599260-296 (General Motors Corp) and 1 more.

What NSN replaces 5305-00-042-1206?

There is 1 known substitute for 5305-00-042-1206: 5305-00-071-1322. Verify interchangeability with system specifications before substitution.

What are the specifications of 8599260-296?

Key specifications for 8599260-296: Screw Surface Treatment: PASSIVATE; Nondefinitive Spec/std Data: 1 TYPE AND 2S STYLE; Thread Class: 2A A; Head Diameter: 0.348 INCHES MINIMUM IN. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-042-1206 still in active supply?

NSN 5305-00-042-1206 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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