PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2A 7.8MMDrill,twist

Precision Twist Drill Co · NSN 5133-01-120-3513 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-120-3513 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-120-3513. Primary manufacturer part number: 2A 7.8MM.
Features
  • Drill,twist — FSC 5133
  • Nominal Cutting Diameter: 7.8 MILLIMETERS MM
  • Flute Length: 81.0 MILLIMETERS NOMINAL MM
  • Material: STEEL OVERALL
  • Point Angle: 118.0 DEGREES NOMINAL
  • Flute Quantity: 2
  • Shank Diameter: 7.8 MILLIMETERS NOMINAL MM
  • Cutting Rotation Direction: RIGHT-HAND
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-120-3513, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Precision Twist Drill Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-01-120-3513
Primary Part Number2A 7.8MM
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerPrecision Twist Drill Co
StatusACTIVE
Nominal Cutting Diameter7.8 MILLIMETERS MM
Flute Length81.0 MILLIMETERS NOMINAL MM
MaterialSTEEL OVERALL
Point Angle118.0 DEGREES NOMINAL
Flute Quantity2
Shank Diameter7.8 MILLIMETERS NOMINAL MM
Cutting Rotation DirectionRIGHT-HAND
Point TypeCONVENTIONAL
Cutting End StyleGENERAL PURPOSE
Specification/standard Data05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Shank StyleSTRAIGHT ROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
7520-00-138-79817520-00-138-7981 INTERCHANGEABLE
Marker Assortment,tube Type
National Industries for the Blind
7520-00-422-5768 INTERCHANGEABLE
Marker Assortment,tube Type
5305-01-285-5619 INTERCHANGEABLE
Screw,machine
5945-01-372-2197 INTERCHANGEABLE
Relay,solid State
5330-01-503-033916078 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4240-01-696-746116078 INTERCHANGEABLE
Faceshield,industrial
Kimberly Clark
5305-01-723-941116078 INTERCHANGEABLE
Screw,machine
Mercury Marine
Cross-Reference Index
Part NumberManufacturer
2A 7.8MM Precision Twist Drill Co (USA)
16078 Precision Twist Drill Co (USA)
B94.11M The American Society of Mechanical Engineers (USA)
Related Parts
7520-00-138-7981INTERCHANGEABLE
MARKER ASSORTMENT,TUBE TYPE
7520-00-138-7981
7520-00-422-5768INTERCHANGEABLE
MARKER ASSORTMENT,TUBE TYPE
5305-01-285-5619INTERCHANGEABLE
SCREW,MACHINE
5945-01-372-2197INTERCHANGEABLE
RELAY,SOLID STATE
5330-01-503-0339INTERCHANGEABLE
SEAL,PLAIN ENCASED
16078
4240-01-696-7461INTERCHANGEABLE
FACESHIELD,INDUSTRIAL
16078
5305-01-723-9411INTERCHANGEABLE
SCREW,MACHINE
16078

Frequently Asked Questions

What is NSN 5133-01-120-3513?

NSN 5133-01-120-3513 is a Drill,twist, manufactured by Precision Twist Drill Co, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-120-3513?

NSN 5133-01-120-3513 has 3 cross-referenced part numbers: 2A 7.8MM (Precision Twist Drill Co), 16078 (Precision Twist Drill Co), B94.11M (The American Society of Mechanical Engineers).

What NSN replaces 5133-01-120-3513?

There are 7 known substitutes for 5133-01-120-3513: 7520-00-138-7981, 7520-00-422-5768, 5305-01-285-5619 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2A 7.8MM?

Key specifications for 2A 7.8MM: Nominal Cutting Diameter: 7.8 MILLIMETERS MM; Flute Length: 81.0 MILLIMETERS NOMINAL MM; Overall Length: 114.0 MILLIMETERS NOMINAL MM; Material: STEEL OVERALL. 13 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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