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Technical Data Sheet
PartsTable / COMPONENT / 347C990H01
347C990H01 ✓ 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

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE OUTSIDE LEFT CORNER, flange_width: 0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN, overall_length: 0.1200 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.1260 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-879-8983, 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
347C990H01
NSN: 3120-00-879-8983
FSC: 3120
CAGE: 97942 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE OUTSIDE LEFT CORNER
flange_width0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN
overall_length0.1200 INCHES MINIMUM AND 0.1300 INCHES MAXIMUM IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.1260 INCHES MINIMUM AND 0.1270 INCHES MAXIMUM IN
body_outside_diameter0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
flange_outside_diameter0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN
material_document_and_classificationSAE 40 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION
NSN3120-00-879-8983
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 347C990H01 · 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
•
MATERIAL: OIL LUBRICATING LUBRICATION
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FLANGE OUTSIDE DIAMETER: 0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE OUTSIDE LEFT CORNER
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALOIL LUBRICATING LUBRICATION
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 40 ASSN STD SINGLE MATERIAL RESPONSE LUBRICATION
FLANGE OUTSIDE DIAMETER0.3550 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN
FLANGE WIDTH0.0450 INCHES MINIMUM AND 0.0490 INCHES MAXIMUM IN
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
B730Interchangeable
interchangeable cross-reference
interchangeable
B111Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14651Interchangeable
interchangeable cross-reference
interchangeable
MIL-I-14651Interchangeable
interchangeable cross-reference
interchangeable
B-0111Interchangeable
interchangeable cross-reference
interchangeable
B-11-2AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 347C990H01?
347C990H01 is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace 347C990H01?
There are 9 known substitutes for 347C990H01: B730, B111, MIL-DTL-14651 and 6 more. Substitute compatibility should be verified for your specific system.
Is 347C990H01 still available?
347C990H01 is currently cancelled.
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Last verified: July 2026