PartsTable
Technical Data Sheet
Download PDF

421-0372-001 — INSULATOR,WASHER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

421-0372-001: INSULATOR,WASHER.

The INSULATOR,WASHER is a the manufacturer industrial component. Key specifications include material: MICA OVERALL, overall_height: 0.010 INCHES NOMINAL IN, inside_diameter: 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN, outside_diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, style_designator: ROUND, FLAT. This part is cataloged in the U.S.

Government catalog under NSN 5970-01-242-0010, 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
421-0372-001
NSN: 5970-01-242-0010
FSC: 5970 — Electrical Insulators and Insulating Materials
CAGE: 94756 — THE BOEING COMPANY DIV LEGACY BOEING HB1 (USA)
SPECIFICATIONS
materialMICA OVERALL
overall_height0.010 INCHES NOMINAL IN
inside_diameter0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
outside_diameter0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
style_designatorROUND, FLAT
NSN5970-01-242-0010
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INSULATOR,WASHER TITLE COMPONENT PN 421-0372-001 MFR INSULATOR,WASHER
KEY FEATURES
•
STYLE DESIGNATOR: ROUND, FLAT
•
OUTSIDE DIAMETER: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
INSIDE DIAMETER: 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
•
MATERIAL: MICA OVERALL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.010 INCHES NOMINAL IN
STYLE DESIGNATORROUND, FLAT
OUTSIDE DIAMETER0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
INSIDE DIAMETER0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
MATERIALMICA OVERALL
OTHER ITEMS IN FSC 5970 — Electrical Insulators and Insulating Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5970-00-001-1330 5970-00-001-1357 5970-00-001-1418 5970-00-001-1420 5970-00-001-1472 5970-00-001-1476 5970-00-001-1477 5970-00-001-1479
SUBSTITUTES & CROSS-REFERENCES 1
421-0372Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy 421-0372-001?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 421-0372-001?
421-0372-001 is a INSULATOR,WASHER.
What parts can replace 421-0372-001?
There is 1 known substitute for 421-0372-001: 421-0372. Substitute compatibility should be verified for your specific system.
What is the NSN for 421-0372-001?
421-0372-001 is cataloged in the U.S. Government catalog under NSN 5970-01-242-0010. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 421-0372-001

✓ 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.