PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99-508Stud,plain

Ontic Engineering & Manufacturing, Inc Dba Ontic Us · NSN 5307-00-474-2745 · FSC 5307 · No Item Name Available
Verified by PartsTable
NSN 5307-00-474-2745 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-474-2745. Primary manufacturer part number: 99-508.
Features
  • Stud,plain — FSC 5307
  • Material: STEEL COMP 4037
  • Thread Quantity Per Inch: 24 NUT THREAD
  • Nominal Thread Size: 0.375 INCHES NUT THREAD IN
  • Cotter Pin Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN
  • Thread Series Designator: UNF NUT THREAD
  • Thread Quantity Per Inch: 16 STUD THREAD
  • Thread Length: 0.875 INCHES MINIMUM NUT THREAD IN
Applications
  • Applications requiring Steel Comp 4037 construction
General Description

The Stud,plain, cataloged under National Stock Number 5307-00-474-2745, is classified within Federal Supply Class 5307 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5307-00-474-2745
Primary Part Number99-508
Item NameStud,plain
FSC / FSG5307 / 53 — No Item Name Available
ManufacturerOntic Engineering & Manufacturing, Inc Dba Ontic Us
StatusACTIVE
MaterialSTEEL COMP 4037
Thread Quantity Per Inch24 NUT THREAD
Nominal Thread Size0.375 INCHES NUT THREAD IN
Cotter Pin Hole Diameter0.106 INCHES NOMINAL FIRST HOLE IN
Thread Series DesignatorUNF NUT THREAD
Thread Quantity Per Inch16 STUD THREAD
Thread Length0.875 INCHES MINIMUM NUT THREAD IN
Thread DirectionRIGHT-HAND NUT THREAD
Nominal Thread Size0.375 INCHES STUD THREAD IN
Thread Series DesignatorUNS STUD THREAD
Thread Length0.688 INCHES MINIMUM STUD THREAD IN
Thread DirectionRIGHT-HAND STUD THREAD
Thread Pitch Diameters+0.3375 TO 0.3399 INCHES STUD THREAD IN
Distance From Cotter Pin Hole Centerline to Nut End0.125 INCHES NOMINAL FIRST HOLE IN
Thread Class3A NUT THREAD A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-114-5988070230 INTERCHANGEABLE
Bearing,ball,annular
Hoffman/new Yorker, Inc.
5977-01-143-695599508 INTERCHANGEABLE
Adapter,brush Holde
Prestolite Electric Inc
Cross-Reference Index
Part NumberManufacturer
99-508 PRIMARY Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA)
99-508 Donallco Inc (USA)
Related Parts
3110-00-114-5988INTERCHANGEABLE
BEARING,BALL,ANNULAR
070230
5977-01-143-6955INTERCHANGEABLE
ADAPTER,BRUSH HOLDE
99508

Frequently Asked Questions

What is NSN 5307-00-474-2745?

NSN 5307-00-474-2745 is a Stud,plain, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5307 (No Item Name Available). Status: active.

What are the part numbers for NSN 5307-00-474-2745?

NSN 5307-00-474-2745 has 2 cross-referenced part numbers: 99-508 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), 99-508 (Donallco Inc).

What NSN replaces 5307-00-474-2745?

There are 2 known substitutes for 5307-00-474-2745: 3110-00-114-5988, 5977-01-143-6955. Verify interchangeability with system specifications before substitution.

What are the specifications of 99-508?

Key specifications for 99-508: Material: STEEL COMP 4037; Thread Quantity Per Inch: 24 NUT THREAD; Nominal Thread Size: 0.375 INCHES NUT THREAD IN; Cotter Pin Hole Diameter: 0.106 INCHES NOMINAL FIRST HOLE IN. 16 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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