PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

74520Screw,shoulder

Telemechanics Inc · NSN 5305-00-286-8976 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-286-8976 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-286-8976. Primary manufacturer part number: 74520.
Features
  • Screw,shoulder — FSC 5305
  • Nominal Thread Diameter: 0.138 INCHES IN
  • Material: STEEL OVERALL
  • Shoulder Shape: ROUND FIRST SHOULDER
  • Shoulder Diameter: 0.186 INCHES NOMINAL FIRST SHOULDER IN
  • Thread Quantity Per Inch: 40
  • Thread Class: 3A A
  • Thread Length: 0.197 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,shoulder, cataloged under National Stock Number 5305-00-286-8976, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Telemechanics Inc. 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: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-286-8976
Primary Part Number74520
Item NameScrew,shoulder
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerTelemechanics Inc
StatusCANCELLED
Nominal Thread Diameter0.138 INCHES IN
MaterialSTEEL OVERALL
Shoulder ShapeROUND FIRST SHOULDER
Shoulder Diameter0.186 INCHES NOMINAL FIRST SHOULDER IN
Thread Quantity Per Inch40
Thread Class3A A
Thread Length0.197 INCHES MINIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Head StyleFLAT CHAMFER
Head Height0.094 INCHES NOMINAL IN
Fastener Length0.297 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Head Diameter0.281 INCHES NOMINAL IN
Features ProvidedCASEHARDENED
Shoulder Length0.094 INCHES NOMINAL FIRST SHOULDER IN
Surface TreatmentCHROMATE ZINC OVERALL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
1630-00-869-232774-520 INTERCHANGEABLE
Piston,hydraulic Brake,master Cy
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
7520-01-436-257574520 INTERCHANGEABLE
Punch,paper Electri
Acco Brands Corp
Cross-Reference Index
Part NumberManufacturer
74520 PRIMARY Telemechanics Inc (USA)
Related Parts
1630-00-869-2327INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE,MASTER CY
74-520
7520-01-436-2575INTERCHANGEABLE
PUNCH,PAPER ELECTRI
74520

Frequently Asked Questions

What is NSN 5305-00-286-8976?

NSN 5305-00-286-8976 is a Screw,shoulder, manufactured by Telemechanics Inc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-286-8976?

NSN 5305-00-286-8976 has 1 cross-referenced part number: 74520 (Telemechanics Inc).

What NSN replaces 5305-00-286-8976?

There are 2 known substitutes for 5305-00-286-8976: 1630-00-869-2327, 7520-01-436-2575. Verify interchangeability with system specifications before substitution.

What are the specifications of 74520?

Key specifications for 74520: Nominal Thread Diameter: 0.138 INCHES IN; Material: STEEL OVERALL; Shoulder Shape: ROUND FIRST SHOULDER; Shoulder Diameter: 0.186 INCHES NOMINAL FIRST SHOULDER IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-286-8976 still in active supply?

NSN 5305-00-286-8976 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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