PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55438Drill,twist

Greenfield Industries Inc · NSN 5133-00-839-5505 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-839-5505 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-839-5505. Primary manufacturer part number: 55438.
Features
  • Drill,twist — FSC 5133
  • Shank Diameter: 0.5000 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Point Angle: 118.0 DEGREES NOMINAL
  • Flute Length: 3.125 INCHES NOMINAL IN
  • Cutting Rotation Direction: RIGHT-HAND
  • Point Type: CONVENTIONAL
  • Flute Quantity: 2
Applications
  • Applications requiring Steel Overall construction
General Description

The Drill,twist, cataloged under National Stock Number 5133-00-839-5505, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Greenfield Industries Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5133-00-839-5505
Primary Part Number55438
Item NameDrill,twist
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerGreenfield Industries Inc
StatusCANCELLED
Shank Diameter0.5000 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Point Angle118.0 DEGREES NOMINAL
Flute Length3.125 INCHES NOMINAL IN
Cutting Rotation DirectionRIGHT-HAND
Point TypeCONVENTIONAL
Flute Quantity2
Nominal Cutting Diameter0.5938 INCHES IN
Shank StyleFLAT ROUND
Cutting End StyleGENERAL PURPOSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1650-00-133-259765528 INTERCHANGEABLE
Cylinder Block,hydraulic Motor-P
Parker Hannifin Corporation Div Hydraulic Systems Division
5305-00-207-398411175 INTERCHANGEABLE
Screw,cap,socket Head
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4310-00-374-952131769 INTERCHANGEABLE
Connecting Rod,piston
Parker Hannifin Corporation Div Hydraulic Systems Division
6105-00-583-3458 INTERCHANGEABLE
Motor,alternating Current
5360-00-664-78446B672 INTERCHANGEABLE
Spring,helical,compression
Caterpillar Inc Div Caterpillar Defense
9150-00-902-551411175 1.25OZ INTERCHANGEABLE
Lubricant,antiseize
La-Co Industries, Inc. Dba Markal Company
1650-00-929-8872 INTERCHANGEABLE
Parts Kit,valve
6625-00-976-9529 INTERCHANGEABLE
Switch,electronic
5945-01-024-09551855933 INTERCHANGEABLE
Relay,solid State
Northrop Grumman Systems Corporation
3455-01-074-1019219C-44 INTERCHANGEABLE
Cutter,milling,end
Precision Industries Inc Sharpaloy Div
Cross-Reference Index
Part NumberManufacturer
55438 PRIMARY Greenfield Industries Inc (USA)
2831 19/32 New York Twist Drill Inc (USA)
190 19/32 Greenfield Industries Inc (USA)
CSE385B PRIMARY Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA)
31769 PRIMARY New York Twist Drill Inc (USA)
936 19/32 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
936 19/32 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
190 19/32 Greenfield Industries Inc (USA)
55438 Greenfield Industries Inc (USA)
11175 Cleveland Twist Drill Co Div of Greenfield Industries Inc (USA)
C11175 Kennametal Inc. Div Kennametal Industrial Products Group (USA)
Related Parts
1650-00-133-2597INTERCHANGEABLE
CYLINDER BLOCK,HYDRAULIC MOTOR-P
65528
5305-00-207-3984INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
11175
4310-00-374-9521INTERCHANGEABLE
CONNECTING ROD,PISTON
31769
6105-00-583-3458INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5360-00-664-7844INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6B672
9150-00-902-5514INTERCHANGEABLE
LUBRICANT,ANTISEIZE
11175 1.25OZ
1650-00-929-8872INTERCHANGEABLE
PARTS KIT,VALVE
6625-00-976-9529INTERCHANGEABLE
SWITCH,ELECTRONIC
5945-01-024-0955INTERCHANGEABLE
RELAY,SOLID STATE
1855933
3455-01-074-1019INTERCHANGEABLE
CUTTER,MILLING,END
219C-44
1630-01-173-5748INTERCHANGEABLE
PLATE,VALVE,BRAKE
11175
2590-01-219-2035INTERCHANGEABLE
CAP,FILLER OPENING
BG769

Frequently Asked Questions

What is NSN 5133-00-839-5505?

NSN 5133-00-839-5505 is a Drill,twist, manufactured by Greenfield Industries Inc, classified under FSC 5133 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5133-00-839-5505?

NSN 5133-00-839-5505 has 11 cross-referenced part numbers: 55438 (Greenfield Industries Inc), 2831 19/32 (New York Twist Drill Inc), 190 19/32 (Greenfield Industries Inc), CSE385B (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc), 31769 (New York Twist Drill Inc) and 6 more.

What NSN replaces 5133-00-839-5505?

There are 12 known substitutes for 5133-00-839-5505: 1650-00-133-2597, 5305-00-207-3984, 4310-00-374-9521 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55438?

Key specifications for 55438: Shank Diameter: 0.5000 INCHES NOMINAL IN; Material: STEEL OVERALL; Point Angle: 118.0 DEGREES NOMINAL; Special Features: REDUCED 1/2 IN. DIA SHANK; FRACTIONAL SIZE 19/32 IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5133-00-839-5505 still in active supply?

NSN 5133-00-839-5505 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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