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76857 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

76857: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 632 OVERALL, nut_style: ROUND, nut_diameter: 0.960 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.130 INCHES NOMINAL IN, thread_series: UN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-599-5389, 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
76857
NSN: 5330-00-599-5389
NIINs: 005995389, 009105495
FSC: 5330 — Packing and Gasket Materials
CAGE: 82722 — WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP DBA WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 632 OVERALL
nut_styleROUND
nut_diameter0.960 INCHES NOMINAL IN
thread_class2B
nut_thickness0.130 INCHES NOMINAL IN
thread_seriesUN
drive_point_depth0.080 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES IN
drive_point_diameter0.125 INCHES NOMINAL IN
drive_point_quantity4
thread_quantity_per_inch32
material_document_and_classificationAMS 5657 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-599-5389
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 76857 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
KEY FEATURES
•
CROSS-SECTIONAL THICKNESS: 0.0925 INCHES NOMINAL IN
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000 2BC915E3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 2.000 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.406 INCHES NOMINAL IN
•
MATERIAL: RUBBER CHLOROPRENE CLASS CR OVERALL
•
CENTER TO CENTER DISTANCE: 0.125 INCHES NOMINAL IN
•
GAGE THICKNESS: 0.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.0925 INCHES NOMINAL IN
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000 2BC915E3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER2.000 INCHES NOMINAL IN
APERTURE DIAMETER1.406 INCHES NOMINAL IN
MATERIALRUBBER CHLOROPRENE CLASS CR OVERALL
CENTER TO CENTER DISTANCE0.125 INCHES NOMINAL IN
GAGE THICKNESS0.062 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
Y1017-2PC8Reference 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 76857?
76857 is a GASKET.
What parts can replace 76857?
There is 1 known substitute for 76857: Y1017-2PC8. Substitute compatibility should be verified for your specific system.
What is the NSN for 76857?
76857 is cataloged in the U.S. Government catalog under NSN 5330-00-599-5389. This indicates validated use in U.S. government and defense supply chains.
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