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3974158 — CAP,PILLOW BLOCK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3974158: CAP,PILLOW BLOCK.

The CAP,PILLOW BLOCK is a the manufacturer industrial component. Key specifications include end_item_identification: CYLINDER BLOCK, part_name_assigned_by_controlling_agency: CAP MAIN BEARING. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-601-7434, 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
3974158
NSN: 5340-01-601-7434
NIINs: 016017434, 016523072
FSC: 5340 — Hardware, Commercial
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
end_item_identificationCYLINDER BLOCK
part_name_assigned_by_controlling_agencyCAP MAIN BEARING
NSN5340-01-601-7434
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3974158 MFR: OEM ⚠ 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3974158?
3974158 is a CAP,PILLOW BLOCK.
What is the NSN for 3974158?
3974158 is cataloged in the U.S. Government catalog under NSN 5340-01-601-7434. This indicates validated use in U.S. government and defense supply chains.
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