PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

15971Drill,twist

Kennametal Inc. Div Kennametal Industrial Products Group · NSN 5133-01-399-1227 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-01-399-1227 — this item is cataloged by the U.S. Government under National Stock Number 5133-01-399-1227. Primary manufacturer part number: 15971.
Features
  • Drill,twist — FSC 5133
  • Flute Length: 1.688 INCHES NOMINAL IN
  • Cutting Rotation Direction: RIGHT-HAND
  • Flute Quantity: 2
  • Point Angle: 135.0 DEGREES NOMINAL
  • Material: STEEL ALLOY OVERALL
  • Nondefinitive Spec/std Data: D TYPE
  • Specification/standard Data: 80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Applications
  • Applications requiring Steel Alloy Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-01-399-1227, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Kennametal Inc. Div Kennametal Industrial Products Group. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5133-01-399-1227
Primary Part Number15971
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerKennametal Inc. Div Kennametal Industrial Products Group
StatusACTIVE
Flute Length1.688 INCHES NOMINAL IN
Cutting Rotation DirectionRIGHT-HAND
Flute Quantity2
Point Angle135.0 DEGREES NOMINAL
MaterialSTEEL ALLOY OVERALL
Nondefinitive Spec/std DataD TYPE
Specification/standard Data80205-NAS907 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Point TypeSPLIT
Shank Diameter0.316 INCHES NOMINAL IN
Cutting End StyleGENERAL PURPOSE
Shank StyleSTRAIGHT ROUND
Nominal Cutting Diameter0.3160 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-232-7281712073-011 INTERCHANGEABLE
Transformer,radio Frequency
Raytheon Company Div Rmd Strategic
2540-00-499-286910921776-1 INTERCHANGEABLE
Rod,door,latch
U S Army Tank Automotive Command Amsta-Im-Mm
5940-00-660-653194-638-7 INTERCHANGEABLE
Terminal,stud
Lockheed Martin Corporation Div Rms - Mitchel Field
5340-00-780-458115971 INTERCHANGEABLE
Bracket,mounting
Unison Industries Llc
6650-01-285-5855 INTERCHANGEABLE
Microscope,optical
6140-01-337-278115971 INTERCHANGEABLE
Battery,storage
L3 Aviation Products, Inc. Dba L3 Technologies
4940-01-389-3108 INTERCHANGEABLE
Cylinder,blast Cleaning Cabinet
6105-01-466-446815971 INTERCHANGEABLE
Motor,alternating Current
Belfort Instrument Company
6515-01-582-80178154A-LR-3 INTERCHANGEABLE
Pad,crest,toe
Pedifix, Inc.
Cross-Reference Index
Part NumberManufacturer
15971 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
C15971 Greenfield Industries Inc (USA)
3780 O Kennametal Inc. Div Kennametal Industrial Products Group (USA)
NAS907 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
3780 O Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
NAS907 TYD General Services Administration Federal Supply Service (USA)
3780 O Greenfield Industries Inc (USA)
15971 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
Related Parts
5950-00-232-7281INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
712073-011
2540-00-499-2869INTERCHANGEABLE
ROD,DOOR,LATCH
10921776-1
5940-00-660-6531INTERCHANGEABLE
TERMINAL,STUD
94-638-7
5340-00-780-4581INTERCHANGEABLE
BRACKET,MOUNTING
15971
6650-01-285-5855INTERCHANGEABLE
MICROSCOPE,OPTICAL
6140-01-337-2781INTERCHANGEABLE
BATTERY,STORAGE
15971
4940-01-389-3108INTERCHANGEABLE
CYLINDER,BLAST CLEANING CABINET
6105-01-466-4468INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
15971
6515-01-582-8017INTERCHANGEABLE
PAD,CREST,TOE
8154A-LR-3

Frequently Asked Questions

What is NSN 5133-01-399-1227?

NSN 5133-01-399-1227 is a Drill,twist, manufactured by Kennametal Inc. Div Kennametal Industrial Products Group, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-01-399-1227?

NSN 5133-01-399-1227 has 8 cross-referenced part numbers: 15971 (Kennametal Inc. Div Kennametal Industrial Products Group), C15971 (Greenfield Industries Inc), 3780 O (Kennametal Inc. Div Kennametal Industrial Products Group), NAS907 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), 3780 O (Cleveland Twist Drill Co Div of Greenfield Industries Inc) and 3 more.

What NSN replaces 5133-01-399-1227?

There are 9 known substitutes for 5133-01-399-1227: 5950-00-232-7281, 2540-00-499-2869, 5940-00-660-6531 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 15971?

Key specifications for 15971: Flute Length: 1.688 INCHES NOMINAL IN; Cutting Rotation Direction: RIGHT-HAND; Flute Quantity: 2; Special Features: JOBBERS LG; SCREW MACHINE FLUTE LG; LETTER SIZE O. 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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