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Technical Data Sheet
030557 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The TURNBUCKLE is a the manufacturer industrial component. Key specifications include end_item_identification: GENERATOR SET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-386-1567, 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
030557
NSN: 5340-01-386-1567
FSC: 5340
CAGE: 71747 — CHICAGO HARDWARE AND FIXTURE COMPANY (USA)
SPECIFICATIONS
end_item_identificationGENERATOR SET
NSN5340-01-386-1567
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 030557 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
03-0557Interchangeable
interchangeable cross-reference
interchangeable
6630NCM030475Interchangeable
interchangeable cross-reference
interchangeable
CALIBRATOR KIT 6Interchangeable
interchangeable cross-reference
interchangeable
3082T23Interchangeable
interchangeable cross-reference
interchangeable
L140002-1Interchangeable
interchangeable cross-reference
interchangeable
L140002Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 030557?
030557 is a TURNBUCKLE.
What parts can replace 030557?
There are 8 known substitutes for 030557: 03-0557, 6630NCM030475, CALIBRATOR KIT 6 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 030557?
030557 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-386-1567. This indicates validated use in U.S. government and defense supply chains.
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