PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NAS965 TYBSZ3/16Drill,twist

General Services Administration Federal Supply Service · NSN 5133-00-166-8455 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-166-8455 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-166-8455. Primary manufacturer part number: NAS965 TYBSZ3/16.
Features
  • Drill,twist — FSC 5133
  • Thread Series Designator: UNF
  • Flute Length: 1.125 INCHES NOMINAL IN
  • Shank Style: EXTERNALLY THREADED W/HEX NUT
  • Cutting End Style: GENERAL PURPOSE
  • Point Type: SPLIT
  • Supplementary Features: O/A LENGTH DOES NOT INCLUDE THE THREAD LENGTH PAST THE HEXAGON NUT, THREADS = 1/4 IN. (+1/16 IN.) IN
  • Nondefinitive Spec/std Data: B TYPE AND 3/16 SIZE
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-00-166-8455, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is General Services Administration Federal Supply Service. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-00-166-8455
Primary Part NumberNAS965 TYBSZ3/16
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerGeneral Services Administration Federal Supply Service
StatusACTIVE
Thread Series DesignatorUNF
Flute Length1.125 INCHES NOMINAL IN
Shank StyleEXTERNALLY THREADED W/HEX NUT
Cutting End StyleGENERAL PURPOSE
Point TypeSPLIT
Supplementary FeaturesO/A LENGTH DOES NOT INCLUDE THE THREAD LENGTH PAST THE HEXAGON NUT, THREADS = 1/4 IN. (+1/16 IN.) IN
Nondefinitive Spec/std DataB TYPE AND 3/16 SIZE
Nominal Thread Diameter0.250 INCHES IN
Flute Quantity2
Cutting Rotation DirectionRIGHT-HAND
MaterialSTEEL OVERALL
Point Angle135.0 DEGREES NOMINAL
Specification/standard Data80205-NAS965 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Nominal Cutting Diameter0.1875 INCHES IN
Thread Quantity28 PER INCH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-011-31761-2SHPB INTERCHANGEABLE
Plug,pipe
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
Cross-Reference Index
Part NumberManufacturer
NAS965 TYBSZ3/16 General Services Administration Federal Supply Service (USA)
311-1875 Wetmore Tool and Engineering Company Dba Wetmore Cutting Tools (USA)
NAS965 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
2020-3-16 Lear Siegler Inc National Twist Drill and Tool Div (USA)
2971-3/16 New York Twist Drill Inc (USA)
Related Parts
4730-00-011-3176INTERCHANGEABLE
PLUG,PIPE
1-2SHPB

Frequently Asked Questions

What is NSN 5133-00-166-8455?

NSN 5133-00-166-8455 is a Drill,twist, manufactured by General Services Administration Federal Supply Service, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-00-166-8455?

NSN 5133-00-166-8455 has 5 cross-referenced part numbers: NAS965 TYBSZ3/16 (General Services Administration Federal Supply Service), 311-1875 (Wetmore Tool and Engineering Company Dba Wetmore Cutting Tools), NAS965 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 2020-3-16 (Lear Siegler Inc National Twist Drill and Tool Div), 2971-3/16 (New York Twist Drill Inc).

What NSN replaces 5133-00-166-8455?

There is 1 known substitute for 5133-00-166-8455: 4730-00-011-3176. Verify interchangeability with system specifications before substitution.

What are the specifications of NAS965 TYBSZ3/16?

Key specifications for NAS965 TYBSZ3/16: Thread Series Designator: UNF; Overall Length: 2.125 INCHES NOMINAL IN; Flute Length: 1.125 INCHES NOMINAL IN; Shank Style: EXTERNALLY THREADED W/HEX NUT. 17 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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