PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3515Screw,cap,hexagon Head

Lebus International, Inc. · NSN 5305-01-355-3670 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-355-3670 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-355-3670. Primary manufacturer part number: 3515.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Length: 4.139 INCHES NOMINAL IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Thread Quantity Per Inch: 18
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Width Between Flats: 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
  • Fastener Length: 4.250 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-355-3670, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lebus International, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-355-3670
Primary Part Number3515
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLebus International, Inc.
StatusACTIVE
Thread Length4.139 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING OVERALL
Thread Quantity Per Inch18
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Width Between Flats0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Fastener Length4.250 INCHES NOMINAL IN
Thread Class2A A
Head StyleHEXAGON
Nominal Thread Diameter0.312 INCHES IN
Head Height0.195 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2825-00-388-68443515 INTERCHANGEABLE
Block,nozzle
Northrop Grumman Systems Corporation Div Marine Systems
5975-00-913-91845335 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
7520-00-982-61203515 INTERCHANGEABLE
Lead Repointer,pencil
Keuffel and Esser Co
5950-00-989-68862384998 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Mitchel Field
5940-01-035-47383515 INTERCHANGEABLE
Terminal
L3harris Technologies, Inc. Div Space and Airborne Systems
8415-01-543-19313515 INTERCHANGEABLE
Protective Legging,maintenance O
Hatch Imports, Inc. Dba Hatch Gloves & Accessories
Cross-Reference Index
Part NumberManufacturer
3515 PRIMARY Lebus International, Inc. (USA)
6159-D ITEM 9 Lebus International, Inc. (USA)
Related Parts
2825-00-388-6844INTERCHANGEABLE
BLOCK,NOZZLE
3515
5975-00-913-9184INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5335
7520-00-982-6120INTERCHANGEABLE
LEAD REPOINTER,PENCIL
3515
5950-00-989-6886INTERCHANGEABLE
TRANSFORMER,POWER
2384998
5940-01-035-4738INTERCHANGEABLE
TERMINAL
3515
8415-01-543-1931INTERCHANGEABLE
PROTECTIVE LEGGING,MAINTENANCE O
3515

Frequently Asked Questions

What is NSN 5305-01-355-3670?

NSN 5305-01-355-3670 is a Screw,cap,hexagon Head, manufactured by Lebus International, Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-355-3670?

NSN 5305-01-355-3670 has 2 cross-referenced part numbers: 3515 (Lebus International, Inc.), 6159-D ITEM 9 (Lebus International, Inc.).

What NSN replaces 5305-01-355-3670?

There are 6 known substitutes for 5305-01-355-3670: 2825-00-388-6844, 5975-00-913-9184, 7520-00-982-6120 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3515?

Key specifications for 3515: Thread Length: 4.139 INCHES NOMINAL IN; Material: STEEL CORROSION RESISTING OVERALL; Thread Quantity Per Inch: 18; Thread Direction: RIGHT-HAND. 11 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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