PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2447158-505Screw,cap,socket Head

The Boeing Company · NSN 5305-00-576-1482 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-576-1482 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-576-1482. Primary manufacturer part number: 2447158-505.
Features
  • Screw,cap,socket Head — FSC 5305
  • Surface Treatment: PASSIVATE HEAD
  • Thread Direction: RIGHT-HAND
  • Surface Treatment: CHROMIUM GRIP
  • Head Style: FLAT COUNTERSUNK
  • Material Document and Classification: MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: UNF
  • Material: STEEL COMP 431 OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 431 Overall construction
General Description

The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-576-1482, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company. Government technical data includes 17 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-576-1482
Primary Part Number2447158-505
Item NameScrew,cap,socket Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerThe Boeing Company
StatusACTIVE
Surface TreatmentPASSIVATE HEAD
Thread DirectionRIGHT-HAND
Surface TreatmentCHROMIUM GRIP
Head StyleFLAT COUNTERSUNK
Material Document and ClassificationMIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNF
MaterialSTEEL COMP 431 OVERALL
Thread Quantity Per Inch28
Head Diameter0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
Thread Length0.437 INCHES MINIMUM IN
Internal Drive StyleHEXAGON
Countersink Angle100.0 DEGREES NOMINAL
Fastener Length3.125 INCHES NOMINAL IN
Thread Class3A A
Width Across Flats0.157 INCHES MINIMUM AND 0.159 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Surface TreatmentPASSIVATE THREADS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5962-00-471-3113401640 INTERCHANGEABLE
Microcircuit,digital
Aimtron Systems, Llc
5962-00-556-45904231Z INTERCHANGEABLE
Microcircuit,digital
Ncm Corp
2915-00-608-4065401640 INTERCHANGEABLE
Tubing Assy
Woodward, Inc. Div Fuel Systems and Controls
5995-01-209-4986401640 INTERCHANGEABLE
Cable Assembly,power,electrical
Telemechanics Inc
Cross-Reference Index
Part NumberManufacturer
2447158-505 PRIMARY The Boeing Company (USA)
60A52B78-505 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2447158-505 The Boeing Company (USA)
401640 Singer Co the (USA)
Related Parts
5962-00-471-3113INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
401640
5962-00-556-4590INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4231Z
2915-00-608-4065INTERCHANGEABLE
TUBING ASSY
401640
5995-01-209-4986INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
401640

Frequently Asked Questions

What is NSN 5305-00-576-1482?

NSN 5305-00-576-1482 is a Screw,cap,socket Head, manufactured by The Boeing Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-576-1482?

NSN 5305-00-576-1482 has 4 cross-referenced part numbers: 2447158-505 (The Boeing Company), 60A52B78-505 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2447158-505 (The Boeing Company), 401640 (Singer Co the).

What NSN replaces 5305-00-576-1482?

There are 4 known substitutes for 5305-00-576-1482: 5962-00-471-3113, 5962-00-556-4590, 2915-00-608-4065 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2447158-505?

Key specifications for 2447158-505: Surface Treatment: PASSIVATE HEAD; Thread Direction: RIGHT-HAND; Surface Treatment: CHROMIUM GRIP; Head Style: FLAT COUNTERSUNK. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com