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972176-1 — 972176-1

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

972176-1: 972176-1.

The 972176-1 is a the manufacturer industrial component. Key specifications include overall_length: 1.5290 INCHES NOMINAL IN, special_features: 0.0100 IN. UNDERSIZE BORE; LUBRICATION PROVISIONS TO MEET ENGINE MANUFACTURERS SPECIFICATIONS IN, style_designator: SEGMENTED, EXTERNAL FLANGES BOTH ENDS, surface_treatment: TIN OVERALL, body_inside_diameter: 3.1150 INCHES NOMINAL IN, body_outside_diameter: 3.3255 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 3120-01-119-8979, 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
MRO→ MRO_GENERAL→ 972176-1
NSN: 3120-01-119-8979
NIINs: 011198979, 011998979
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 49956 — RAYTHEON COMPANY DIV CORP (USA)
SPECIFICATIONS
overall_length1.5290 INCHES NOMINAL IN
special_features0.0100 IN. UNDERSIZE BORE; LUBRICATION PROVISIONS TO MEET ENGINE MANUFACTURERS SPECIFICATIONS IN
style_designatorSEGMENTED, EXTERNAL FLANGES BOTH ENDS
surface_treatmentTIN OVERALL
body_inside_diameter3.1150 INCHES NOMINAL IN
body_outside_diameter3.3255 INCHES NOMINAL IN
NSN3120-01-119-8979
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 972176-1 · 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
•
BODY OUTSIDE DIAMETER: 3.3255 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SEGMENTED, EXTERNAL FLANGES BOTH ENDS
•
BODY INSIDE DIAMETER: 3.1150 INCHES NOMINAL IN
•
SURFACE TREATMENT: TIN OVERALL
TECHNICAL CHARACTERISTICS
BODY OUTSIDE DIAMETER3.3255 INCHES NOMINAL IN
STYLE DESIGNATORSEGMENTED, EXTERNAL FLANGES BOTH ENDS
OVERALL LENGTH1.5290 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.1150 INCHES NOMINAL IN
SPECIAL FEATURES0.0100 IN. UNDERSIZE BORE; LUBRICATION PROVISIONS TO MEET ENGINE MANUFACTURERS SPECIFICATIONS IN
SURFACE TREATMENTTIN OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
3327AP-10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 972176-1?
972176-1 is a 972176-1. It is classified as a MRO (MRO_GENERAL).
What parts can replace 972176-1?
There is 1 known substitute for 972176-1: 3327AP-10. Substitute compatibility should be verified for your specific system.
What is the NSN for 972176-1?
972176-1 is cataloged in the U.S. Government catalog under NSN 3120-01-119-8979. 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.