640-3121 — FILE,ROTARY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

640-3121: FILE,ROTARY.

The FILE,ROTARY is a the manufacturer industrial component. Key specifications include shape: STRAIGHT, diameter: 0.250 INCHES NOMINAL IN, material: CARBIDE, mounting_shank: INCLUDED, overall_diameter: 0.250 INCHES NOMINAL IN, special_features: C-2 CARBIDE GRADE. This part is cataloged in the U.S.

Government catalog under NSN 3455-01-045-9156, 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

640-3121

NSN: 3455-01-045-9156
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 070Q8 — QUALITY CARBIDE TOOL INC. (USA)

SPECIFICATIONS

shape	STRAIGHT
diameter	0.250 INCHES NOMINAL IN
material	CARBIDE
mounting_shank	INCLUDED
overall_diameter	0.250 INCHES NOMINAL IN
special_features	C-2 CARBIDE GRADE
removability_feature	NOT INCLUDED
cutter_tooth_cut_style	COARSE
cutting_surface_length	0.625 INCHES NOMINAL IN
cutter_tooth_shaping_method	GROUND FROM SOLID
cutter_tooth_style_designator	C8
NSN	3455-01-045-9156

COMPONENT DIAGRAM

KEY FEATURES

•

OVERALL DIAMETER: 0.250 INCHES NOMINAL IN

•

CUTTER TOOTH STYLE DESIGNATOR: C8

•

CUTTING SURFACE LENGTH: 0.625 INCHES NOMINAL IN

•

DIAMETER: 0.250 INCHES NOMINAL IN

•

SHAPE: STRAIGHT

•

MOUNTING SHANK: INCLUDED

•

REMOVABILITY FEATURE: NOT INCLUDED

TECHNICAL CHARACTERISTICS

OVERALL DIAMETER	0.250 INCHES NOMINAL IN
CUTTER TOOTH STYLE DESIGNATOR	C8
CUTTING SURFACE LENGTH	0.625 INCHES NOMINAL IN
DIAMETER	0.250 INCHES NOMINAL IN
SHAPE	STRAIGHT
MOUNTING SHANK	INCLUDED
REMOVABILITY FEATURE	NOT INCLUDED
SPECIAL FEATURES	C-2 CARBIDE GRADE
MATERIAL	CARBIDE
CUTTER TOOTH SHAPING METHOD	GROUND FROM SOLID

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 3

1547-5/16Reference document

Same NSN cross-reference

Reference document — Secondary reference

A-A-51146 TY2 STD SZ11 CLAReference document

Same NSN cross-reference

Reference document — Identification reference

98-00840Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 640-3121?

640-3121 is a FILE,ROTARY.

What parts can replace 640-3121?

There are 3 known substitutes for 640-3121: 1547-5/16, A-A-51146 TY2 STD SZ11 CLA, 98-00840. Substitute compatibility should be verified for your specific system.

What is the NSN for 640-3121?

640-3121 is cataloged in the U.S. Government catalog under NSN 3455-01-045-9156. This indicates validated use in U.S. government and defense supply chains.

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