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EM275 — PRINTED CIRCUIT BOARD

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

EM275: PRINTED CIRCUIT BOARD.

The PRINTED CIRCUIT BOARD is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 932 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.6875 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.1840 INCHES NOMINAL IN, body_outside_diameter: 1.3705 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-306-6371, 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
EM275
NSN: 3120-00-306-6371
NIINs: 003066371, 010227013, 015395401
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 75174 — JOHNSON BRONZE CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY 932 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.6875 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.1840 INCHES NOMINAL IN
body_outside_diameter1.3705 INCHES NOMINAL IN
end_item_identificationVRLA BATTERY CABLE SSN21C;VRLA BATTERY CABLE SSN688
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
antirotation/lubrication_type_and_quantity1 SLOT
NSN3120-00-306-6371
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: EM275 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.3705 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.1840 INCHES NOMINAL IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 SLOT
•
MATERIAL: COPPER ALLOY 932 OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.3705 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.6875 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.1840 INCHES NOMINAL IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 SLOT
MATERIALCOPPER ALLOY 932 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
102-5131Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is EM275?
EM275 is a PRINTED CIRCUIT BOARD.
What parts can replace EM275?
There is 1 known substitute for EM275: 102-5131. Substitute compatibility should be verified for your specific system.
What is the NSN for EM275?
EM275 is cataloged in the U.S. Government catalog under NSN 3120-00-306-6371. 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.