PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26012Bit,bell-Hanger's

Mephisto Tool Co Inc · NSN 5133-00-224-4565 · FSC 5133 · No Item Name Available
Verified by PartsTable
NSN 5133-00-224-4565 — this item is cataloged by the U.S. Government under National Stock Number 5133-00-224-4565. Primary manufacturer part number: 26012.
Features
  • Bit,bell-Hanger's — FSC 5133
  • Cutting End Style: DOUBLE TWIST (BELL HANGERS)
  • Shank Style: TAPER-SQUARE
  • Shank Large End Square Width: 0.344 INCHES NOMINAL IN
  • Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Twist Length: 3.500 INCHES MINIMUM IN
  • Nominal Cutting Diameter: 0.3750 INCHES IN
  • Material: STEEL OVERALL
Applications
  • Applications requiring Steel Overall construction
General Description

The Bit,bell-Hanger's, cataloged under National Stock Number 5133-00-224-4565, is classified within Federal Supply Class 5133 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Mephisto Tool Co Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 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
NSN5133-00-224-4565
Primary Part Number26012
Item NameBit,bell-Hanger's
FSC / FSG5133 / 51 — No Item Name Available
ManufacturerMephisto Tool Co Inc
StatusACTIVE
Cutting End StyleDOUBLE TWIST (BELL HANGERS)
Shank StyleTAPER-SQUARE
Shank Large End Square Width0.344 INCHES NOMINAL IN
Hardness Rating40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Twist Length3.500 INCHES MINIMUM IN
Nominal Cutting Diameter0.3750 INCHES IN
MaterialSTEEL OVERALL
Shank Small End Square Width0.187 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-147-378638604 INTERCHANGEABLE
Cap,valve
Northrop Grumman Systems Corporation Div Marine Systems
5133-00-187-9191 INTERCHANGEABLE
Bit,auger
3455-00-194-051810170 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
5935-00-201-2449C9-20P INTERCHANGEABLE
Connector,plug,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect Rf Corporation
5331-00-292-754138606 INTERCHANGEABLE
O-Ring
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5133-00-293-0226 INTERCHANGEABLE
Bit,bell-Hanger's
5133-00-293-022748PT-5/16X18 INTERCHANGEABLE
Bit,bell-Hanger's
Greenlee Textron Inc.
5133-00-293-0228 INTERCHANGEABLE
Bit,bell-Hanger's
4530-00-351-2823 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
2540-00-455-9343642-00-100 INTERCHANGEABLE
Mirror Assembly,rearview
Ktm 2 Llc Dba Arrow Safety Device Company
Cross-Reference Index
Part NumberManufacturer
38606 Irwin Industrial Tool Company (USA)
38606 Irwin Industrial Tool Company Dba Irwin Construction Accessories (USA)
GGG-B-383 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
GGG-B-383 TY1CLB General Services Administration Federal Supply Service (USA)
26012 PRIMARY Mephisto Tool Co Inc (USA)
38606 PRIMARY Stanley Tools Div of Stanley Works (USA)
Related Parts
4820-00-147-3786INTERCHANGEABLE
CAP,VALVE
38604
5133-00-187-9191INTERCHANGEABLE
BIT,AUGER
3455-00-194-0518INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10170
5935-00-201-2449INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
C9-20P
5331-00-292-7541INTERCHANGEABLE
O-RING
38606
5133-00-293-0226INTERCHANGEABLE
BIT,BELL-HANGER'S
5133-00-293-0227INTERCHANGEABLE
BIT,BELL-HANGER'S
48PT-5/16X18
5133-00-293-0228INTERCHANGEABLE
BIT,BELL-HANGER'S
4530-00-351-2823INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
2540-00-455-9343INTERCHANGEABLE
MIRROR ASSEMBLY,REARVIEW
642-00-100
3040-00-734-2859INTERCHANGEABLE
SHAFT,STRAIGHT
38606
5340-01-013-3591INTERCHANGEABLE
BUMPER
26012

Frequently Asked Questions

What is NSN 5133-00-224-4565?

NSN 5133-00-224-4565 is a Bit,bell-Hanger's, manufactured by Mephisto Tool Co Inc, classified under FSC 5133 (No Item Name Available). Status: active.

What are the part numbers for NSN 5133-00-224-4565?

NSN 5133-00-224-4565 has 6 cross-referenced part numbers: 38606 (Irwin Industrial Tool Company), 38606 (Irwin Industrial Tool Company Dba Irwin Construction Accessories), GGG-B-383 (Federal Specifications Promulgated by General Services Administration Washington DC), GGG-B-383 TY1CLB (General Services Administration Federal Supply Service), 26012 (Mephisto Tool Co Inc) and 1 more.

What NSN replaces 5133-00-224-4565?

There are 12 known substitutes for 5133-00-224-4565: 4820-00-147-3786, 5133-00-187-9191, 3455-00-194-0518 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 26012?

Key specifications for 26012: Cutting End Style: DOUBLE TWIST (BELL HANGERS); Shank Style: TAPER-SQUARE; Shank Large End Square Width: 0.344 INCHES NOMINAL IN; Overall Length: 18.000 INCHES NOMINAL IN. 9 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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