PartsTable
Technical Data Sheet

4543-7/16 — REAMER,MACHINE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4543-7/16: REAMER,MACHINE.

The REAMER,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, reamer_type: FLUTED CHUCKING, flute_design: SPIRAL, flute_length: 1.750 INCHES NOMINAL IN, overall_length: 7.000 INCHES NOMINAL IN, shank_diameter: 0.373 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3455-01-332-9670, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
4543-7/16
NSN: 3455-01-332-9670
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 0KDD1 — UNION BUTTERFIELD TIVOLY (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
reamer_typeFLUTED CHUCKING
flute_designSPIRAL
flute_length1.750 INCHES NOMINAL IN
flute_quantity6
overall_length7.000 INCHES NOMINAL IN
shank_diameter0.373 INCHES NOMINAL IN
overall_diameter0.438 INCHES NOMINAL IN
flute_cut_directionRIGHT-HAND
NSN3455-01-332-9670
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REAMER,MACHINE TITLE COMPONENT PN 4543-7/16 MFR REAMER,MACHINE
KEY FEATURES
•
SHANK DIAMETER: 0.373 INCHES NOMINAL IN
•
FLUTE DESIGN: SPIRAL
•
OVERALL DIAMETER: 0.438 INCHES NOMINAL IN
•
FLUTE CUT DIRECTION: RIGHT-HAND
•
FLUTE LENGTH: 1.750 INCHES NOMINAL IN
•
FLUTE QUANTITY: 6
•
MATERIAL: STEEL LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.373 INCHES NOMINAL IN
FLUTE DESIGNSPIRAL
OVERALL DIAMETER0.438 INCHES NOMINAL IN
FLUTE CUT DIRECTIONRIGHT-HAND
FLUTE LENGTH1.750 INCHES NOMINAL IN
OVERALL LENGTH7.000 INCHES NOMINAL IN
FLUTE QUANTITY6
MATERIALSTEEL LOCATION NOT OTHERWISE SPECIFIED
REAMER TYPEFLUTED CHUCKING
OTHER ITEMS IN FSC 3455 — Cutting Tools for Machine Tools
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3455-00-001-3735 3455-00-001-9401 3455-00-003-8985 3455-00-005-2374 3455-00-005-2377 3455-00-005-2378 3455-00-005-2384 3455-00-005-2385
SUBSTITUTES & CROSS-REFERENCES 1
50-10025Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4543-7/16?
4543-7/16 is a REAMER,MACHINE.
What parts can replace 4543-7/16?
There is 1 known substitute for 4543-7/16: 50-10025. Substitute compatibility should be verified for your specific system.
What is the NSN for 4543-7/16?
4543-7/16 is cataloged in the U.S. Government catalog under NSN 3455-01-332-9670. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.