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0E278 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

0E278: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: IRON MALLEABLE OVERALL, attachment_method: ROUND HOLE, body_recess_depth: 1.093 INCHES NOMINAL IN, center_hole_diameter: 1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN, cross-sectional_height: 2.938 INCHES NOMINAL IN, flanged_body_outside_diameter: 3.247 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-628-2920, 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
0E278
NSN: 5330-00-628-2920
FSC: 5330 — Packing and Gasket Materials
CAGE: 92392 — ALLIS-CHALMERS CORP (USA)
SPECIFICATIONS
materialIRON MALLEABLE OVERALL
attachment_methodROUND HOLE
body_recess_depth1.093 INCHES NOMINAL IN
center_hole_diameter1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
cross-sectional_height2.938 INCHES NOMINAL IN
attachment_feature_quantity4
flanged_body_outside_diameter3.247 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
material_document_and_classificationSAE 32510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-628-2920
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0E278 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
•
ATTACHMENT FEATURE QUANTITY: 4
•
CROSS-SECTIONAL HEIGHT: 2.938 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 32510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FLANGED BODY OUTSIDE DIAMETER: 3.247 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
•
MATERIAL: IRON MALLEABLE OVERALL
•
BODY RECESS DEPTH: 1.093 INCHES NOMINAL IN
•
ATTACHMENT METHOD: ROUND HOLE
TECHNICAL CHARACTERISTICS
ATTACHMENT FEATURE QUANTITY4
CROSS-SECTIONAL HEIGHT2.938 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 32510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FLANGED BODY OUTSIDE DIAMETER3.247 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.998 INCHES MINIMUM AND 1.999 INCHES MAXIMUM IN
MATERIALIRON MALLEABLE OVERALL
BODY RECESS DEPTH1.093 INCHES NOMINAL IN
ATTACHMENT METHODROUND HOLE
SUBSTITUTES & CROSS-REFERENCES 1
6282920Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 0E278?
0E278 is a RETAINER,PACKING.
What parts can replace 0E278?
There is 1 known substitute for 0E278: 6282920. Substitute compatibility should be verified for your specific system.
What is the NSN for 0E278?
0E278 is cataloged in the U.S. Government catalog under NSN 5330-00-628-2920. This indicates validated use in U.S. government and defense supply chains.
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