PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

700774PC1Screw,cap,socket Head

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5305-00-272-4595 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-272-4595 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-272-4595. Primary manufacturer part number: 700774PC1.
Features
  • Screw,cap,socket Head — FSC 5305
  • Nondefinitive Spec/std Data: 4 TYPE
  • Thread Length: 0.250 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Material: STEEL OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Countersink Angle: 82.0 DEGREES NOMINAL
  • Surface Treatment: CHROMATE ZINC 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 5305-00-272-4595, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-272-4595
Primary Part Number700774PC1
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Nondefinitive Spec/std Data4 TYPE
Thread Length0.250 INCHES NOMINAL IN
Nominal Thread Diameter0.138 INCHES IN
MaterialSTEEL OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Countersink Angle82.0 DEGREES NOMINAL
Surface TreatmentCHROMATE ZINC OVERALL
Head Diameter0.263 INCHES MINIMUM AND 0.307 INCHES MAXIMUM IN
Head StyleFLAT COUNTERSUNK
Thread Quantity Per Inch32
Internal Drive StyleHEXAGON
Fastener Length0.250 INCHES NOMINAL IN
Hardness Rating36.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Minimum Yield Strength130000 POUNDS PER SQUARE INCH LBS
Thread Class3A A
Thread DirectionRIGHT-HAND
Width Across Flats0.078 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5305-00-273-4724265005PC9 INTERCHANGEABLE
Screw,cap,socket Head
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5305-00-638-584414397 INTERCHANGEABLE
Screw,cap,socket Head
Triumph Engine Control Systems Llc
5305-01-501-9381 INTERCHANGEABLE
Screw,cap,socket Head
Cross-Reference Index
Part NumberManufacturer
FFS86TYPE4 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
700774PC1 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5305-00-273-4724INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
265005PC9
5305-00-638-5844INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
14397
5305-01-501-9381INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD

Frequently Asked Questions

What is NSN 5305-00-272-4595?

NSN 5305-00-272-4595 is a Screw,cap,socket Head, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-272-4595?

NSN 5305-00-272-4595 has 2 cross-referenced part numbers: FFS86TYPE4 (Federal Specifications Promulgated by General Services Administration Washington DC), 700774PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5305-00-272-4595?

There are 3 known substitutes for 5305-00-272-4595: 5305-00-273-4724, 5305-00-638-5844, 5305-01-501-9381. Verify interchangeability with system specifications before substitution.

What are the specifications of 700774PC1?

Key specifications for 700774PC1: Nondefinitive Spec/std Data: 4 TYPE; Thread Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.138 INCHES IN; Material: STEEL OVERALL. 17 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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