PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

B-33Screwdriver,flat Tip

Ngk Metals Corporation Dba N G K Berylco · NSN 5120-01-278-4821 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-278-4821 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-278-4821. Primary manufacturer part number: B-33.
Features
  • Screwdriver,flat Tip — FSC 5120
  • Shank Shape: ROUND
  • Length: 18.000 INCHES NOMINAL BLADE IN
  • Material: COPPER ALLOY BLADE
  • Diameter: 0.375 INCHES NOMINAL SHANK IN
  • Width: 0.406 INCHES NOMINAL TIP IN
  • Material: PLASTIC HANDLE
  • Features Provided: NONSPARKING AND NONMAGNETIC
Applications
  • Applications requiring Copper Alloy Blade construction
General Description

The Screwdriver,flat Tip, cataloged under National Stock Number 5120-01-278-4821, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Ngk Metals Corporation Dba N G K Berylco. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5120-01-278-4821
Primary Part NumberB-33
Item NameScrewdriver,flat Tip
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerNgk Metals Corporation Dba N G K Berylco
StatusACTIVE
Shank ShapeROUND
Length18.000 INCHES NOMINAL BLADE IN
MaterialCOPPER ALLOY BLADE
Diameter0.375 INCHES NOMINAL SHANK IN
Width0.406 INCHES NOMINAL TIP IN
MaterialPLASTIC HANDLE
Features ProvidedNONSPARKING AND NONMAGNETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5975-00-114-9855252 INTERCHANGEABLE
Conduit Outlet
Hubbell-Raco Inc
5940-00-155-9663 INTERCHANGEABLE
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3110-00-156-418312Z369-57 INTERCHANGEABLE
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3030-00-160-8297B33 INTERCHANGEABLE
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Contitech Usa, Inc Dba Veyance Technologies
5365-00-194-3752B3-3 INTERCHANGEABLE
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3455-00-228-5228 INTERCHANGEABLE
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4520-00-383-215653886 INTERCHANGEABLE
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6145-00-982-8397 INTERCHANGEABLE
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8455-01-531-2082 INTERCHANGEABLE
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8455-01-589-8032 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
B-33 PRIMARY Ngk Metals Corporation Dba N G K Berylco (USA)
B-33-2285 Ngk Metals Corporation Dba N G K Berylco (USA)
Related Parts
5975-00-114-9855INTERCHANGEABLE
CONDUIT OUTLET
252
5940-00-155-9663INTERCHANGEABLE
TERMINAL,LUG
3110-00-156-4183INTERCHANGEABLE
BEARING,BALL,ANNULAR
12Z369-57
3030-00-160-8297INTERCHANGEABLE
BELT,V
B33
5365-00-194-3752INTERCHANGEABLE
SHIM
B3-3
3455-00-228-5228INTERCHANGEABLE
CUTTER,MILLING,END
4520-00-383-2156INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
53886
6145-00-982-8397INTERCHANGEABLE
WIRE,ELECTRICAL
8455-01-531-2082INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-589-8032INTERCHANGEABLE
INSIGNIA,RANK,OFFICER
4730-01-610-8903INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
8455-01-645-0685INTERCHANGEABLE
INSIGNIA,RANK,OFFICER

Frequently Asked Questions

What is NSN 5120-01-278-4821?

NSN 5120-01-278-4821 is a Screwdriver,flat Tip, manufactured by Ngk Metals Corporation Dba N G K Berylco, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-278-4821?

NSN 5120-01-278-4821 has 2 cross-referenced part numbers: B-33 (Ngk Metals Corporation Dba N G K Berylco), B-33-2285 (Ngk Metals Corporation Dba N G K Berylco).

What NSN replaces 5120-01-278-4821?

There are 12 known substitutes for 5120-01-278-4821: 5975-00-114-9855, 5940-00-155-9663, 3110-00-156-4183 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of B-33?

Key specifications for B-33: Shank Shape: ROUND; Length: 18.000 INCHES NOMINAL BLADE IN; Material: COPPER ALLOY BLADE; Diameter: 0.375 INCHES NOMINAL SHANK IN. 8 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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