PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34521Drill,twist

Viking Drill & Tool, Inc. · NSN 5133-01-672-6443 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-672-6443 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-672-6443. Primary manufacturer part number: 34521.
Features
  • Drill,twist — FSC 5133
  • Cutting Rotation Direction: RIGHT-HAND
  • Point Type: SPLIT
  • Flute Quantity: 2
  • Shank Diameter: 0.25 INCHES NOMINAL IN
  • Point Angle: 135.0 DEGREES NOMINAL
  • Width Across Flats: 0.250 INCHES NOMINAL IN
  • Shank Style: HEXAGON
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-672-6443, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Viking Drill & Tool, Inc.. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-01-672-6443
Primary Part Number34521
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerViking Drill & Tool, Inc.
StatusACTIVE
Cutting Rotation DirectionRIGHT-HAND
Point TypeSPLIT
Flute Quantity2
Shank Diameter0.25 INCHES NOMINAL IN
Point Angle135.0 DEGREES NOMINAL
Width Across Flats0.250 INCHES NOMINAL IN
Shank StyleHEXAGON
Nominal Cutting Diameter0.0938 INCHES IN
Cutting End StyleGENERAL PURPOSE
Flute Length1.250 INCHES NOMINAL IN
Specification/standard Data80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MaterialSTEEL OVERALL
Nondefinitive Spec/std DataB TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-171-35285B5961 INTERCHANGEABLE
Washer,flat
Caterpillar Inc Div Caterpillar Defense
3810-00-830-77581017021 INTERCHANGEABLE
Seal Body Panel
Fwd Seagrave Holdings Lp
4920-01-109-854034521 INTERCHANGEABLE
Thumbwheel
Safe Flight Instrument, Llc
5995-01-468-805234521 INTERCHANGEABLE
Cable Assembly,radio Frequency
Phoenix Logistics, Llc
5133-01-520-4708 INTERCHANGEABLE
Drill Set,twist
5133-01-599-705910D227 INTERCHANGEABLE
Drill Set,twist
W.w. Grainger, Inc. Div Government Sales Division
5133-01-628-3930ATDBK-SAE-BX1 INTERCHANGEABLE
Drill Set,twist
Kipper Tool Company Dba Kipper Management Inc
5133-01-628-3931ATDBK-NBR-BX7 INTERCHANGEABLE
Drill Set,twist
Kipper Tool Company Dba Kipper Management Inc
5133-01-658-4926 INTERCHANGEABLE
Drill Set,twist
5133-01-658-8032ATDBK-NBR-BX1 INTERCHANGEABLE
Drill Set,twist
Kipper Tool Company Dba Kipper Management Inc
Cross-Reference Index
Part NumberManufacturer
NAS907 TYB Cinch Connectivity Solutions Inc. (USA)
34521 PRIMARY Viking Drill & Tool, Inc. (USA)
NAS907 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
Related Parts
5310-00-171-3528INTERCHANGEABLE
WASHER,FLAT
5B5961
3810-00-830-7758INTERCHANGEABLE
SEAL BODY PANEL
1017021
4920-01-109-8540INTERCHANGEABLE
THUMBWHEEL
34521
5995-01-468-8052INTERCHANGEABLE
CABLE ASSEMBLY,RADIO FREQUENCY
34521
5133-01-520-4708INTERCHANGEABLE
DRILL SET,TWIST
5133-01-599-7059INTERCHANGEABLE
DRILL SET,TWIST
10D227
5133-01-628-3930INTERCHANGEABLE
DRILL SET,TWIST
ATDBK-SAE-BX1
5133-01-628-3931INTERCHANGEABLE
DRILL SET,TWIST
ATDBK-NBR-BX7
5133-01-658-4926INTERCHANGEABLE
DRILL SET,TWIST
5133-01-658-8032INTERCHANGEABLE
DRILL SET,TWIST
ATDBK-NBR-BX1
5133-01-658-8033INTERCHANGEABLE
DRILL SET,TWIST
ATDBK-NBR-BX4
5133-01-658-8034INTERCHANGEABLE
DRILL SET,TWIST
ATDBK-NBR-BX2

Frequently Asked Questions

What is NSN 5133-01-672-6443?

NSN 5133-01-672-6443 is a Drill,twist, manufactured by Viking Drill & Tool, Inc., classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-672-6443?

NSN 5133-01-672-6443 has 3 cross-referenced part numbers: NAS907 TYB (Cinch Connectivity Solutions Inc.), 34521 (Viking Drill & Tool, Inc.), NAS907 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use).

What NSN replaces 5133-01-672-6443?

There are 12 known substitutes for 5133-01-672-6443: 5310-00-171-3528, 3810-00-830-7758, 4920-01-109-8540 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34521?

Key specifications for 34521: Overall Length: 3.0 INCHES NOMINAL IN; Cutting Rotation Direction: RIGHT-HAND; Point Type: SPLIT; Flute Quantity: 2. 15 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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