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3158778 — RETAINER,SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3158778: RETAINER,SEAL.

The RETAINER,SEAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 356.0 OVERALL, construction: ONE-PIECE, overall_height: 1.562 INCHES NOMINAL IN, flange_thickness: 0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN, aperture_diameter: 1.375 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN, bolt_hole_diameter: 0.404 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-322-8806, 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
3158778
NSN: 5330-01-322-8806
FSC: 5330 — Packing and Gasket Materials
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 356.0 OVERALL
constructionONE-PIECE
overall_height1.562 INCHES NOMINAL IN
flange_thickness0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
aperture_diameter1.375 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
bolt_hole_diameter0.404 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
bolt_hole_quantity4
seal_seat_diameter0.812 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
body_outside_diameter1.875 INCHES NOMINAL IN
mounting_flange_length3.000 INCHES NOMINAL IN
material_document_and_classificationQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-322-8806
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3158778 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
•
FLANGE THICKNESS: 0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.875 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 0.404 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: Q-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SEAL SEAT DIAMETER: 0.812 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 1.375 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
•
MOUNTING FLANGE LENGTH: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.562 INCHES NOMINAL IN
FLANGE THICKNESS0.595 INCHES MINIMUM AND 0.655 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.875 INCHES NOMINAL IN
BOLT HOLE DIAMETER0.404 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQ-A-601,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SEAL SEAT DIAMETER0.812 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
APERTURE DIAMETER1.375 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN
MOUNTING FLANGE LENGTH3.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
COLORBLACK
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

No substitute or cross-reference records for this part.

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 3158778?
3158778 is a RETAINER,SEAL.
What is the NSN for 3158778?
3158778 is cataloged in the U.S. Government catalog under NSN 5330-01-322-8806. This indicates validated use in U.S. government and defense supply chains.
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