PartsTable
Technical Data Sheet
Download PDF

387594 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

387594: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 410, surface_finish: 63.0 MICROINCHES OVERALL, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM, inside_diameter: 0.628 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN, outside_diameter: 0.813 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN, overall_thickness: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5365-00-771-1479, 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
387594
NSN: 5365-00-771-1479
FSC: 5365 — Bushings, Rings, Shims, and Spacers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 410
surface_finish63.0 MICROINCHES OVERALL
hardness_rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
inside_diameter0.628 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
outside_diameter0.813 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN
overall_thickness0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
material_document_and_classificationAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE
NSN5365-00-771-1479
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN 387594 MFR SPACER,RING
KEY FEATURES
•
SURFACE FINISH: 63.0 MICROINCHES OVERALL
•
OUTSIDE DIAMETER: 0.813 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN
•
OVERALL THICKNESS: 0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE
•
INSIDE DIAMETER: 0.628 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 410
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OVERALL
OUTSIDE DIAMETER0.813 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN
OVERALL THICKNESS0.160 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5613 ASSN STD SINGLE MATERIAL RESPONSE
INSIDE DIAMETER0.628 INCHES MINIMUM AND 0.629 INCHES MAXIMUM IN
MATERIALSTEEL COMP 410
SUBSTITUTES & CROSS-REFERENCES 1
446175Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
Ready to buy 387594?
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 387594?
387594 is a SPACER,RING.
What parts can replace 387594?
There is 1 known substitute for 387594: 446175. Substitute compatibility should be verified for your specific system.
What is the NSN for 387594?
387594 is cataloged in the U.S. Government catalog under NSN 5365-00-771-1479. 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 — 387594

✓ 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.