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477-15979-000 — PAD,CUSHIONING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

477-15979-000: PAD,CUSHIONING.

The PAD,CUSHIONING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A LOCATION NOT OTHERWISE SPECIFIED A, overall_length: 4.500 INCHES NOMINAL IN, fastener_length: 0.875 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_size: 0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-556-0640, 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
477-15979-000
NSN: 5340-01-556-0640
NIINs: 015560640, 015562387, 015562390, 015562391
FSC: 5340 — Hardware, Commercial
CAGE: 66935 — JOHNSON CONTROLS NAVY SYSTEMS, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A LOCATION NOT OTHERWISE SPECIFIED A
overall_length4.500 INCHES NOMINAL IN
fastener_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_size0.750 INCHES LOCATION NOT OTHERWISE SPECIFIED IN
end_item_identificationR-114 WATER COOLING SYSTEMS, SSN-688 CLASS SUBMARINES
nominal_thread_diameter0.750 INCHES IN
thread_quantity_per_inch10 LOCATION NOT OTHERWISE SPECIFIED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationSAE J-429. GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-556-0640
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 477-15979-000 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 1
477-15979-000 ITEM 59Same 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 477-15979-000?
477-15979-000 is a PAD,CUSHIONING.
What parts can replace 477-15979-000?
There is 1 known substitute for 477-15979-000: 477-15979-000 ITEM 59. Substitute compatibility should be verified for your specific system.
What is the NSN for 477-15979-000?
477-15979-000 is cataloged in the U.S. Government catalog under NSN 5340-01-556-0640. This indicates validated use in U.S. government and defense supply chains.
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