PartsTable
Technical Data Sheet
PartsTable / COMPONENT / AM7250-4
AM7250-4 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include material: STEEL COMP 4140 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0620 INCHES NOMINAL IN, overall_length: 0.3340 INCHES MINIMUM AND 0.3470 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY, style_designator: SOLID, EXTERNAL FLANGE ONE END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-662-4720, 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
AM7250-4
NSN: 3120-00-662-4720
FSC: 3120
CAGE: 99776 — AVALON GLASS AND MIRROR CO (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0620 INCHES NOMINAL IN
overall_length0.3340 INCHES MINIMUM AND 0.3470 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentCADMIUM OVERALL
body_inside_diameter0.6210 INCHES MINIMUM AND 0.6230 INCHES MAXIMUM IN
body_outside_diameter0.7510 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
flange_outside_diameter0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-5626,C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-662-4720
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: AM7250-4 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLANGE OUTSIDE DIAMETER: 0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 4140 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5626,C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
SURFACE FINISH: 125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
FLANGE WIDTH: 0.0620 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.7510 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER0.8650 INCHES MINIMUM AND 0.8850 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 4140 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626,C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CORNER SHAPESQUARE ALL CORNERS
SURFACE FINISH125.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
FLANGE WIDTH0.0620 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.7510 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
OVERALL LENGTH0.3340 INCHES MINIMUM AND 0.3470 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.6210 INCHES MINIMUM AND 0.6230 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
1828X5Interchangeable
interchangeable cross-reference
interchangeable
5524FInterchangeable
interchangeable cross-reference
interchangeable
6721Interchangeable
interchangeable cross-reference
interchangeable
C0MM1116Interchangeable
interchangeable cross-reference
interchangeable
300.29251Interchangeable
interchangeable cross-reference
interchangeable
672Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy AM7250-4?
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 AM7250-4?
AM7250-4 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace AM7250-4?
There are 7 known substitutes for AM7250-4: 1828X5, 5524F, 6721 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AM7250-4?
AM7250-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-662-4720. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — AM7250-4

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026