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778863-1 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

778863-1: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, hole_diameter: 0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.310 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN, overall_length: 4.984 INCHES NOMINAL IN, special_features: 2 APERTURES LG 1.984 IN.,W 0.670 IN. W/12 SLOTS LG 0.437 IN.,W 0.140 IN.

IN, cross-sectional_thickness: 0.048 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN. This part is cataloged in the U.S. Government catalog under NSN 5330-01-101-1728, 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
778863-1
NSN: 5330-01-101-1728
FSC: 5330 — Packing and Gasket Materials
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialRUBBER OVERALL
hole_diameter0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.310 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN
overall_length4.984 INCHES NOMINAL IN
special_features2 APERTURES LG 1.984 IN.,W 0.670 IN. W/12 SLOTS LG 0.437 IN.,W 0.140 IN. IN
bolt_hole_quantity4
cross-sectional_thickness0.048 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
NSN5330-01-101-1728
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 778863-1 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: 0.048 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 4
•
MATERIAL: RUBBER OVERALL
•
HOLE DIAMETER: 0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.048 INCHES MINIMUM AND 0.078 INCHES MAXIMUM IN
OVERALL LENGTH4.984 INCHES NOMINAL IN
OVERALL WIDTH1.310 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN
BOLT HOLE QUANTITY4
SPECIAL FEATURES2 APERTURES LG 1.984 IN.,W 0.670 IN. W/12 SLOTS LG 0.437 IN.,W 0.140 IN. IN
MATERIALRUBBER OVERALL
HOLE DIAMETER0.125 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
778863-0001Same 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 778863-1?
778863-1 is a GASKET.
What parts can replace 778863-1?
There is 1 known substitute for 778863-1: 778863-0001. Substitute compatibility should be verified for your specific system.
What is the NSN for 778863-1?
778863-1 is cataloged in the U.S. Government catalog under NSN 5330-01-101-1728. This indicates validated use in U.S. government and defense supply chains.
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