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A8978 — RESISTOR,FIXED,WIRE WOUND,INDUCT

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A8978: RESISTOR,FIXED,WIRE WOUND,INDUCT.

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include body_length: 0.250 INCHES NOMINAL IN, body_diameter: 0.125 INCHES NOMINAL IN, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED, terminal_length: 1.000 INCHES NOMINAL IN, style_designator: AXIAL TERMINAL EACH END. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-088-9324, 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
A8978
NSN: 3120-00-088-9324
NIINs: 000889324, 007059105
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
body_length0.250 INCHES NOMINAL IN
body_diameter0.125 INCHES NOMINAL IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
terminal_length1.000 INCHES NOMINAL IN
style_designatorAXIAL TERMINAL EACH END
electrical_resistance1575.000 OHMS
reliability_indicatorNOT ESTABLISHED
resistance_tolerance_in_percent-0.100 TO 0.100
ambient_temp_at_full_rated_power125.0 CELSIUS DEGC
power_dissipation_rating_in_watts0.050 FREE AIR
temp_coefficient_of_resistance_in_ppm_per_deg_celsius-20.0 TO 20.0
NSN3120-00-088-9324
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A8978 · 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A8978?
A8978 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What is the NSN for A8978?
A8978 is cataloged in the U.S. Government catalog under NSN 3120-00-088-9324. This indicates validated use in U.S. government and defense supply chains.
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