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1001379 — PULLEY,GROOVE

✓ Government record, cited
3M · ORING SEAL
PRODUCT OVERVIEW

1001379: PULLEY,GROOVE.

The PULLEY,GROOVE is a 3M industrial component. Key specifications include material: IRON CAST OVERALL, face_width: 2.578125 INCHES NOMINAL IN, bore_feature: INCLUDED, pitch_diameter: 4.00 INCHES NOMINAL IN, lightening_hole: NOT INCLUDED, outside_diameter: 4.35 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-338-5553, 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
1001379
NSN: 5331-01-338-5553
NIINs: 013385553, 015474146, 016657922
FSC: 5331 — O-ring
CAGE: 32862 — SHIPS MACHINERY INTERNATIONAL, INC. (USA)
SPECIFICATIONS
materialIRON CAST OVERALL
face_width2.578125 INCHES NOMINAL IN
bore_featureINCLUDED
groove_shapeV
pitch_diameter4.00 INCHES NOMINAL IN
groove_quantity2
lightening_holeNOT INCLUDED
outside_diameter4.35 INCHES NOMINAL IN
style_designatorPLAIN
integral_cooling_vaneNOT INCLUDED
end_item_identificationAPL UPDATE
part_name_assigned_by_controlling_agencySPLIT TAPER SHEAVE
NSN5331-01-338-5553
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1001379 MFR: 3M ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
SK-0035 POS.8Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 1001379?
1001379 is a PULLEY,GROOVE manufactured by 3M.
What parts can replace 1001379?
There is 1 known substitute for 1001379: SK-0035 POS.8. Substitute compatibility should be verified for your specific system.
What is the NSN for 1001379?
1001379 is cataloged in the U.S. Government catalog under NSN 5331-01-338-5553. This indicates validated use in U.S. government and defense supply chains.
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