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3291740 — INSULATION,VEHICULAR

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3291740: INSULATION,VEHICULAR.

The INSULATION,VEHICULAR is a the manufacturer industrial component. Key specifications include overall_width: 12.890 INCHES NOMINAL IN, special_features: MUST PASS FMVSS-302 FLAMABILITY TEST, end_item_identification: 2320-01-465-2174, part_name_assigned_by_controlling_agency: INSULATION,HOOD STEP,LH. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-661-6264, 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
3291740
NSN: 3120-00-661-6264
NIINs: 006616264, 014925622
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
overall_width12.890 INCHES NOMINAL IN
special_featuresMUST PASS FMVSS-302 FLAMABILITY TEST
end_item_identification2320-01-465-2174
part_name_assigned_by_controlling_agencyINSULATION,HOOD STEP,LH
NSN3120-00-661-6264
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3291740 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
OVERALL THICKNESS: 0.1825 INCHES MINIMUM AND 0.1925 INCHES MAXIMUM IN
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STYLE DESIGNATOR: ROUND
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DIAMETER: 0.5595 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN
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SURFACE CONDITION: GROUND
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CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
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OUTSIDE DIAMETER: 1.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.1825 INCHES MINIMUM AND 0.1925 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
DIAMETER0.5595 INCHES MINIMUM AND 0.5600 INCHES MAXIMUM IN
SURFACE CONDITIONGROUND
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 3
186003Reference document
Same NSN cross-reference
Reference document — Secondary reference
10365-30Reference document
Same NSN cross-reference
Reference document — Secondary reference
186003AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3291740?
3291740 is a INSULATION,VEHICULAR.
What parts can replace 3291740?
There are 3 known substitutes for 3291740: 186003, 10365-30, 186003A. Substitute compatibility should be verified for your specific system.
What is the NSN for 3291740?
3291740 is cataloged in the U.S. Government catalog under NSN 3120-00-661-6264. 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.