PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

190561Screw,cap,socket Head

Goriziane Group Spa · NSN 5305-00-682-7991 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-682-7991 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-682-7991. Primary manufacturer part number: 190561.
Features
  • Screw,cap,socket Head — FSC 5305
  • Head Style: FLAT CHAMFER
  • Internal Drive Style: HEXAGON
  • Fastener Length: 1.000 INCHES NOMINAL IN
  • Hardness Rating: 80.0 ROCKWELL B MINIMUM OVERALL
  • Material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 302 or Steel Comp 303 or Steel Comp 304 or Steel Comp 305 or Steel Comp 316 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-682-7991, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Goriziane Group Spa. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-682-7991
Primary Part Number190561
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGoriziane Group Spa
StatusACTIVE
Head StyleFLAT CHAMFER
Internal Drive StyleHEXAGON
Fastener Length1.000 INCHES NOMINAL IN
Hardness Rating80.0 ROCKWELL B MINIMUM OVERALL
MaterialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
Surface TreatmentPASSIVATE OVERALL
Width Across Flats0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
Minimum Tensile Strength80000 POUNDS PER SQUARE INCH LBS
Hole Diameter0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
Hole Configuration StyleROUND
Minimum Yield Strength30000 POUNDS PER SQUARE INCH LBS
Head Diameter0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
Thread Quantity Per Inch24
Nominal Thread Diameter0.190 INCHES IN
Thread Length0.875 INCHES MINIMUM IN
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hole Quantity6
Thread Class3A A
Thread DirectionRIGHT-HAND
Hole TypeDRILLED
Head Height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5977-00-781-11983275 INTERCHANGEABLE
Holder,electrical Contact Brush
Carbone of America Corporation Div Superior Carbon Products Division
5995-01-582-871919056-1 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Science Applications International Corporation
Cross-Reference Index
Part NumberManufacturer
190561 Goriziane Group Spa (ITA)
190561 Woodward, Inc. Div Fuel Systems and Controls (USA)
MS24674-18 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5977-00-781-1198INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
3275
5995-01-582-8719INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
19056-1

Frequently Asked Questions

What is NSN 5305-00-682-7991?

NSN 5305-00-682-7991 is a Screw,cap,socket Head, manufactured by Goriziane Group Spa, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-682-7991?

NSN 5305-00-682-7991 has 3 cross-referenced part numbers: 190561 (Goriziane Group Spa), 190561 (Woodward, Inc. Div Fuel Systems and Controls), MS24674-18 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-682-7991?

There are 2 known substitutes for 5305-00-682-7991: 5977-00-781-1198, 5995-01-582-8719. Verify interchangeability with system specifications before substitution.

What are the specifications of 190561?

Key specifications for 190561: Head Style: FLAT CHAMFER; Internal Drive Style: HEXAGON; Fastener Length: 1.000 INCHES NOMINAL IN; Hardness Rating: 80.0 ROCKWELL B MINIMUM OVERALL. 23 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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