PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS24677-108CScrew,cap,socket Head

National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use · NSN 5305-01-311-7133 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-311-7133 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-311-7133. Primary manufacturer part number: MS24677-108C.
Features
  • Screw,cap,socket Head — FSC 5305
  • Fastener Length: 2.920 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
  • Hole Diameter: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Thread Length: 1.880 INCHES MINIMUM IN
  • Width Across Flats: 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
  • Head Style: FLAT CHAMFER
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-311-7133, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-311-7133
Primary Part NumberMS24677-108C
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNational Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
StatusACTIVE
Fastener Length2.920 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
Hole Diameter0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Length1.880 INCHES MINIMUM IN
Width Across Flats0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
Head StyleFLAT CHAMFER
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Minimum Yield Strength155000 POUNDS PER SQUARE INCH LBS
Nondefinitive Spec/std Data6 TYPE
MaterialSTEEL OVERALL
Surface Treatment Document and ClassificationQQ-P-416 TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hardness Rating38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
Hole TypeDRILLED
Nominal Thread Diameter0.500 INCHES IN
Thread Quantity Per Inch13
Minimum Tensile Strength170000 POUNDS PER SQUARE INCH LBS
Head Height0.492 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Hole Configuration StyleHEXAGON FLATS
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class3A A
Internal Drive StyleHEXAGON
Head Diameter0.735 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Hole Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-865-165960-16-1672 INTERCHANGEABLE
Screw,cap,socket Head
Electric Boat Corporation Div General Dynamics Electric Boat
5305-01-052-1161AES14F500875BB3A11 INTERCHANGEABLE
Screw,cap,socket Head
The American Society of Mechanical Engineers
5305-01-143-6072 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-143-607690508 INTERCHANGEABLE
Screw,cap,socket Head
L3 Technologies, Inc. Div L3 Keo
5305-01-144-6016 INTERCHANGEABLE
Screw,cap,socket Head
5305-01-145-7519100A905069 INTERCHANGEABLE
Screw,cap,socket Head
L3 Technologies, Inc. Div L3 Keo
5305-01-145-7521100A905076 INTERCHANGEABLE
Screw,cap,socket Head
L3 Technologies, Inc. Div L3 Keo
5305-01-145-752290507 INTERCHANGEABLE
Screw,cap,socket Head
L3 Technologies, Inc. Div L3 Keo
5306-01-160-990331317 INTERCHANGEABLE
Bolt,internal Wrenching
Moog Inc. Dba Ampac-Isp Corp
5305-01-300-7335MS24677-3C INTERCHANGEABLE
Screw,cap,socket Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
FF-S-86 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
FF-S-86 TYPE VI Federal Specifications Promulgated by General Services Administration Washington DC (USA)
MS24677-108C PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS24677-108C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
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90508
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Frequently Asked Questions

What is NSN 5305-01-311-7133?

NSN 5305-01-311-7133 is a Screw,cap,socket Head, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-311-7133?

NSN 5305-01-311-7133 has 4 cross-referenced part numbers: FF-S-86 (Federal Specifications Promulgated by General Services Administration Washington DC), FF-S-86 TYPE VI (Federal Specifications Promulgated by General Services Administration Washington DC), MS24677-108C (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS24677-108C (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-01-311-7133?

There are 12 known substitutes for 5305-01-311-7133: 5305-00-865-1659, 5305-01-052-1161, 5305-01-143-6072 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS24677-108C?

Key specifications for MS24677-108C: Fastener Length: 2.920 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN; Hole Diameter: 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Thread Length: 1.880 INCHES MINIMUM IN. 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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