PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

78494Screw,shoulder

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5305-00-140-2124 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-140-2124 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-140-2124. Primary manufacturer part number: 78494.
Features
  • Screw,shoulder — FSC 5305
  • Thread Series Designator: UNF
  • Internal Drive Style: SLOT
  • Material: STEEL COMP 303 OVERALL
  • Shoulder Shape: ROUND FIRST SHOULDER
  • Material Document and Classification: ASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Thread Direction: RIGHT-HAND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-00-140-2124, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 17 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-140-2124
Primary Part Number78494
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Thread Series DesignatorUNF
Internal Drive StyleSLOT
MaterialSTEEL COMP 303 OVERALL
Shoulder ShapeROUND FIRST SHOULDER
Material Document and ClassificationASTM A582,COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.190 INCHES IN
Thread DirectionRIGHT-HAND
Thread Length0.625 INCHES NOMINAL IN
Thread Quantity Per Inch32
Head Height0.188 INCHES NOMINAL IN
Head Diameter0.375 INCHES NOMINAL IN
Shoulder Diameter0.500 INCHES NOMINAL FIRST SHOULDER IN
Thread Class2A A
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationG0510-030 FSCM 24930 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Shoulder Length0.125 INCHES NOMINAL FIRST SHOULDER IN
Fastener Length0.937 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3030-00-001-7833AX65 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5340-01-109-4609M026095306S INTERCHANGEABLE
Cover,access
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
78494 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
3030-00-001-7833INTERCHANGEABLE
BELT,V
AX65
5340-01-109-4609INTERCHANGEABLE
COVER,ACCESS
M026095306S

Frequently Asked Questions

What is NSN 5305-00-140-2124?

NSN 5305-00-140-2124 is a Screw,shoulder, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-140-2124?

NSN 5305-00-140-2124 has 1 cross-referenced part number: 78494 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5305-00-140-2124?

There are 2 known substitutes for 5305-00-140-2124: 3030-00-001-7833, 5340-01-109-4609. Verify interchangeability with system specifications before substitution.

What are the specifications of 78494?

Key specifications for 78494: Thread Series Designator: UNF; Internal Drive Style: SLOT; Material: STEEL COMP 303 OVERALL; Shoulder Shape: ROUND FIRST SHOULDER. 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