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S139M — BEARING

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

S139M: BEARING.

The BEARING is a the manufacturer industrial component. Key specifications include body_width: 0.260 INCHES NOMINAL IN, body_height: 0.200 INCHES NOMINAL IN, body_length: 0.800 INCHES NOMINAL IN, output_logic_form: TRANSISTOR-TRANSISTOR LOGIC, inclosure_material: CERAMIC, storage_temp_range: -65.0 TO 150.0 CELSIUS DEGC. This part is cataloged in the U.S.

Government catalog under NSN 3130-00-215-4217, 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
S139M
NSN: 3130-00-215-4217
FSC: 3130 — Bearings, Mounted
CAGE: 57448 — STEPHENS-ADAMSON INC A SUB OF ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
body_width0.260 INCHES NOMINAL IN
body_height0.200 INCHES NOMINAL IN
body_length0.800 INCHES NOMINAL IN
output_logic_formTRANSISTOR-TRANSISTOR LOGIC
inclosure_materialCERAMIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_patternQUAD 2 INPUT
inclosure_configurationDUAL-IN-LINE
design_function_and_quantity4 GATE, NAND
part_name_assigned_by_controlling_agencyCOVER ASSEMBLY, SERVICE
NSN3130-00-215-4217
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: S139M · 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
SUBSTITUTES & CROSS-REFERENCES 1
TU306Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S139M?
S139M is a BEARING.
What parts can replace S139M?
There is 1 known substitute for S139M: TU306. Substitute compatibility should be verified for your specific system.
What is the NSN for S139M?
S139M is cataloged in the U.S. Government catalog under NSN 3130-00-215-4217. 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.