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16TT-77 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

16TT-77: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 1.000 INCHES NOMINAL IN, cross-sectional_height: 0.930 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-564-0763, 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
16TT-77
NSN: 5331-01-564-0763
FSC: 5331 — O-ring
CAGE: 038W6 — GIERKE-ROBINSON CO INDUSTRIAL DIV (USA)
SPECIFICATIONS
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter1.000 INCHES NOMINAL IN
cross-sectional_height0.930 INCHES NOMINAL IN
NSN5331-01-564-0763
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16TT-77 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 HEIGHT: 0.930 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.930 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER1.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
N0702-90 2-018Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 16TT-77?
16TT-77 is a O-RING.
What parts can replace 16TT-77?
There is 1 known substitute for 16TT-77: N0702-90 2-018. Substitute compatibility should be verified for your specific system.
What is the NSN for 16TT-77?
16TT-77 is cataloged in the U.S. Government catalog under NSN 5331-01-564-0763. This indicates validated use in U.S. government and defense supply chains.
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