PartsTable
Technical Data Sheet
PartsTable / MRO / 248-4
248-4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075, body_width: 1.175 INCHES MAXIMUM IN, body_height: 1.000 INCHES MAXIMUM IN, body_length: 1.260 INCHES MAXIMUM IN, corner_shape: SQUARE INSIDE RIGHT CORNER, heat_treatment: T-6 SOLUTION HEAT TREATED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-373-8750, 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
MRO→ MRO_GENERAL→ 248-4
NSN: 3120-00-373-8750
FSC: 3120
CAGE: 56705 — DONALLCO INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
body_width1.175 INCHES MAXIMUM IN
body_height1.000 INCHES MAXIMUM IN
body_length1.260 INCHES MAXIMUM IN
corner_shapeSQUARE INSIDE RIGHT CORNER
heat_treatmentT-6 SOLUTION HEAT TREATED
inclosure_typeFULLY INCLOSED
overall_height3.094 INCHES NOMINAL IN
overall_length0.4340 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN
inside_diameter0.781 INCHES NOMINAL IN
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
NSN3120-00-373-8750
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 248-4 · 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
•
BODY INSIDE DIAMETER: 0.8125 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.6875 INCHES MINIMUM AND 1.6880 INCHES MAXIMUM IN
•
CORNER SHAPE: CHAMFERED OUTSIDE LEFT CORNER
•
KEYWAY DIMENSION: 0.2470 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM EXTERNAL KEYWAY WIDTH IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.8125 INCHES MINIMUM AND 0.8130 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.6875 INCHES MINIMUM AND 1.6880 INCHES MAXIMUM IN
OVERALL LENGTH0.4340 INCHES MINIMUM AND 0.4380 INCHES MAXIMUM IN
CORNER SHAPECHAMFERED OUTSIDE LEFT CORNER
KEYWAY DIMENSION0.2470 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM EXTERNAL KEYWAY WIDTH IN
KEYWAY DIMENSION0.2470 INCHES MINIMUM AND 0.2530 INCHES MAXIMUM EXTERNAL KEYWAY DEPTH IN
KEYWAY DIMENSION0.4340 INCHES MINIMUM AND 0.4500 INCHES MAXIMUM EXTERNAL KEYWAY LENGTH IN
MATERIALCOPPER ALLOY OVERALL
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
CE202484Interchangeable
interchangeable cross-reference
interchangeable
202484Interchangeable
interchangeable cross-reference
interchangeable
754019Interchangeable
interchangeable cross-reference
interchangeable
2484Interchangeable
interchangeable cross-reference
interchangeable
BX-9967Interchangeable
interchangeable cross-reference
interchangeable
7618442P2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 248-4?
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 248-4?
248-4 is a RELAY,ELECTROMAGNETIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 248-4?
There are 14 known substitutes for 248-4: CE202484, 202484, 754019 and 11 more. Substitute compatibility should be verified for your specific system.
Is 248-4 still available?
248-4 is currently cancelled.
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 — 248-4

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