PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3406-3750Drill,twist

Lear Siegler Inc National Twist Drill and Tool Div · NSN 5133-01-046-7888 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-046-7888 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-046-7888. Primary manufacturer part number: 3406-3750.
Features
  • Drill,twist — FSC 5133
  • Point Angle: 135.0 DEGREES NOMINAL
  • Nondefinitive Spec/std Data: B TYPE AND 3/8 SIZE
  • Specification/standard Data: 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • Point Type: SPLIT
  • Shank Diameter: 0.375 INCHES NOMINAL IN
  • Nominal Cutting Diameter: 0.3750 INCHES IN
  • Flute Quantity: 2
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-046-7888, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Lear Siegler Inc National Twist Drill and Tool Div. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, 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
NSN5133-01-046-7888
Primary Part Number3406-3750
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerLear Siegler Inc National Twist Drill and Tool Div
StatusACTIVE
Point Angle135.0 DEGREES NOMINAL
Nondefinitive Spec/std DataB TYPE AND 3/8 SIZE
Specification/standard Data80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Point TypeSPLIT
Shank Diameter0.375 INCHES NOMINAL IN
Nominal Cutting Diameter0.3750 INCHES IN
Flute Quantity2
Cutting Rotation DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Cutting End StyleGENERAL PURPOSE
Shank StyleSTRAIGHT ROUND
Flute Length3.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5133-00-203-6471 INTERCHANGEABLE
Drill,twist
4935-00-492-48537653083 INTERCHANGEABLE
Adapter Subassembly,electrical T
Ogden Air Logistics Center
5133-01-671-3001 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
3406-3750 Lear Siegler Inc National Twist Drill and Tool Div (USA)
1390 Morse Cutting Tools Div of Morse Cutting Tool Corp (USA)
NAS907 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
2631 3/8 New York Twist Drill Inc (USA)
NAS907 TYBSZ3/8 General Services Administration Federal Supply Service (USA)
1515-3750 Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039 (USA)
Related Parts
5133-00-203-6471INTERCHANGEABLE
DRILL,TWIST
4935-00-492-4853INTERCHANGEABLE
ADAPTER SUBASSEMBLY,ELECTRICAL T
7653083
5133-01-671-3001INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5133-01-046-7888?

NSN 5133-01-046-7888 is a Drill,twist, manufactured by Lear Siegler Inc National Twist Drill and Tool Div, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-046-7888?

NSN 5133-01-046-7888 has 6 cross-referenced part numbers: 3406-3750 (Lear Siegler Inc National Twist Drill and Tool Div), 1390 (Morse Cutting Tools Div of Morse Cutting Tool Corp), NAS907 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 2631 3/8 (New York Twist Drill Inc), NAS907 TYBSZ3/8 (General Services Administration Federal Supply Service) and 1 more.

What NSN replaces 5133-01-046-7888?

There are 3 known substitutes for 5133-01-046-7888: 5133-00-203-6471, 4935-00-492-4853, 5133-01-671-3001. Verify interchangeability with system specifications before substitution.

What are the specifications of 3406-3750?

Key specifications for 3406-3750: Special Features: AIRCRAFT EXTENSION TYPE; FRACTIONAL SIZE 3/8; Point Angle: 135.0 DEGREES NOMINAL; Nondefinitive Spec/std Data: B TYPE AND 3/8 SIZE; Specification/standard Data: 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. 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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