PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78-390Screw,machine

Pitney Bowes Inc. · NSN 5305-00-942-4303 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-942-4303 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-942-4303. Primary manufacturer part number: 78-390.
Features
  • Screw,machine — FSC 5305
  • Thread Length: 0.262 INCHES MINIMUM IN
  • Head Style: FLAT COUNTERSUNK UNDERCUT
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
  • Screw Surface Treatment: CHROMIUM
  • Screw Material: STEEL
  • Nominal Thread Diameter: 0.125 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-942-4303, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pitney Bowes Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5305-00-942-4303
Primary Part Number78-390
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerPitney Bowes Inc.
StatusACTIVE
Thread Length0.262 INCHES MINIMUM IN
Head StyleFLAT COUNTERSUNK UNDERCUT
Thread DirectionRIGHT-HAND
Thread Class2A A
Screw Surface TreatmentCHROMIUM
Screw MaterialSTEEL
Nominal Thread Diameter0.125 INCHES IN
Head Diameter0.242 INCHES NOMINAL IN
Countersink Angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
Fastener Length0.312 INCHES NOMINAL IN
Internal Drive StyleCROSS RECESS TYPE 1
Head Height0.047 INCHES NOMINAL IN
Thread Quantity Per Inch40
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3110-00-144-86690210591 INTERCHANGEABLE
Bearing,ball,annular
Agco Corp Parts Opn
3110-00-966-935778390 INTERCHANGEABLE
Retainer,ball,bearing
Triumph Engine Control Systems Llc
2610-01-481-537878390 INTERCHANGEABLE
Tire,pneumatic,vehicular
Michelin North America, Inc Dba Michelin North America, Inc
Cross-Reference Index
Part NumberManufacturer
78-390 PRIMARY Pitney Bowes Inc. (USA)
Related Parts
3110-00-144-8669INTERCHANGEABLE
BEARING,BALL,ANNULAR
0210591
3110-00-966-9357INTERCHANGEABLE
RETAINER,BALL,BEARING
78390
2610-01-481-5378INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
78390

Frequently Asked Questions

What is NSN 5305-00-942-4303?

NSN 5305-00-942-4303 is a Screw,machine, manufactured by Pitney Bowes Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-942-4303?

NSN 5305-00-942-4303 has 1 cross-referenced part number: 78-390 (Pitney Bowes Inc.).

What NSN replaces 5305-00-942-4303?

There are 3 known substitutes for 5305-00-942-4303: 3110-00-144-8669, 3110-00-966-9357, 2610-01-481-5378. Verify interchangeability with system specifications before substitution.

What are the specifications of 78-390?

Key specifications for 78-390: Thread Length: 0.262 INCHES MINIMUM IN; Head Style: FLAT COUNTERSUNK UNDERCUT; Thread Direction: RIGHT-HAND; Thread Class: 2A A. 14 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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