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320-0621 — CUTTER,MILLING,METAL SLITTING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

320-0621: CUTTER,MILLING,METAL SLITTING.

The CUTTER,MILLING,METAL SLITTING is a the manufacturer industrial component. Key specifications include length: 0.438 INCHES NOMINAL IN, material: PORCELAIN BODY, nut_style: HEXAGON, bore_shape: STRAIGHT, head_style: HEXAGON, nut_height: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3455-00-313-6558, 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
320-0621
NSN: 3455-00-313-6558
FSC: 3455 — Cutting Tools for Machine Tools
CAGE: 20528 — ENCO MFG CO (USA)
SPECIFICATIONS
length0.438 INCHES NOMINAL IN
materialPORCELAIN BODY
nut_styleHEXAGON
bore_shapeSTRAIGHT
head_styleHEXAGON
nut_height0.250 INCHES NOMINAL IN
head_height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
thread_class2A A
bore_diameter1.1250 INCHES NOMINAL IN
overall_width0.3750 INCHES NOMINAL IN
terminal_typeSCREW
thread_length0.608 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
NSN3455-00-313-6558
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CUTTER,MILLING,METAL SLITTING TITLE COMPONENT PN 320-0621 MFR CUTTER,MILLING,METAL S
SUBSTITUTES & CROSS-REFERENCES 9
405C18Reference document
Same NSN cross-reference
Reference document — Secondary reference
A18-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
683RH-9/16-1/2SReference document
Same NSN cross-reference
Reference document — Secondary reference
S-18LSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A36Reference document
Same NSN cross-reference
Reference document — Secondary reference
SF-18Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 320-0621?
320-0621 is a CUTTER,MILLING,METAL SLITTING.
What parts can replace 320-0621?
There are 9 known substitutes for 320-0621: 405C18, A18-3, 683RH-9/16-1/2S and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 320-0621?
320-0621 is cataloged in the U.S. Government catalog under NSN 3455-00-313-6558. 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.