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1178-56 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1178-56: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include special_features: ROTATING PLATFORM; 10.0 MM THICK MM. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-031-6310, 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
1178-56
NSN: 5330-00-031-6310
NIINs: 000316310, 014268581
FSC: 5330 — Packing and Gasket Materials
CAGE: 48521 — COLT INDUSTRIES OPERATING CORP PRATT AND WHITNEY MACHINE TOOL DIV
SPECIFICATIONS
special_featuresROTATING PLATFORM; 10.0 MM THICK MM
NSN5330-00-031-6310
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1178-56 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: 0.562 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CENTER HOLE DIAMETER: 57.570 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.562 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEO-RING
CENTER HOLE DIAMETER57.570 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
PACKINGPREF0RMEDReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1178-56?
1178-56 is a PACKING,PREFORMED.
What parts can replace 1178-56?
There is 1 known substitute for 1178-56: PACKINGPREF0RMED. Substitute compatibility should be verified for your specific system.
What is the NSN for 1178-56?
1178-56 is cataloged in the U.S. Government catalog under NSN 5330-00-031-6310. This indicates validated use in U.S. government and defense supply chains.
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