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Technical Data Sheet
PartsTable / COMPONENT / A1049-2
A1049-2 ✓ 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 MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, body_width: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN, body_height: 0.068 INCHES MINIMUM IN, body_length: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN, corner_shape: SQUARE ALL CORNERS, overall_length: 0.8750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-287-6573, 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
A1049-2
NSN: 3120-00-287-6573
FSC: 3120
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
body_width0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN
body_height0.068 INCHES MINIMUM IN
body_length0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
corner_shapeSQUARE ALL CORNERS
overall_length0.8750 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
features_providedHERMETICALLY SEALED AND MONOLITHIC AND W/ENABLE AND TRUE/COMPLEMENTARY AND 2-PHASE AND POSITIVE OUTPUTS
output_logic_formDIODE-TRANSISTOR LOGIC
precious_materialGOLD
inclosure_materialCERAMIC AND GLASS
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
NSN3120-00-287-6573
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A1049-2 · 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 DOCUMENT AND CLASSIFICATION: MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
•
MATERIAL: OIL LUBRICATING LUBRICATION
•
BODY OUTSIDE DIAMETER: 1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY INSIDE DIAMETER: 0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.8750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE AND MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
MATERIALOIL LUBRICATING LUBRICATION
MATERIALCOPPER ALLOY OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
BODY OUTSIDE DIAMETER1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
BODY INSIDE DIAMETER0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
N5000-90-S-PPInterchangeable
interchangeable cross-reference
interchangeable
C3015Interchangeable
interchangeable cross-reference
interchangeable
MS16625-3090Interchangeable
interchangeable cross-reference
interchangeable
8562137Interchangeable
interchangeable cross-reference
interchangeable
7104073Interchangeable
interchangeable cross-reference
interchangeable
A10492Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1049-2?
A1049-2 is a MICROCIRCUIT,DIGITAL.
What parts can replace A1049-2?
There are 14 known substitutes for A1049-2: N5000-90-S-PP, C3015, MS16625-3090 and 11 more. Substitute compatibility should be verified for your specific system.
Is A1049-2 still available?
A1049-2 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026