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Technical Data Sheet
PartsTable / COMPONENT / 8978-0-127
8978-0-127 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include angle: 24.0 DEGREES NOMINAL, material: STEEL COMP 1015 OVERALL, surface_treatment: SILVER OVERALL, peripheral_diameter: 9.982 INCHES MINIMUM AND 9.990 INCHES MAXIMUM IN, center_hole_diameter: 8.937 INCHES MINIMUM AND 8.947 INCHES MAXIMUM IN, cross-sectional_height: 1.125 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-480-4114, 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
8978-0-127
NSN: 5330-00-480-4114
FSC: 5330
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
angle24.0 DEGREES NOMINAL
materialSTEEL COMP 1015 OVERALL
surface_treatmentSILVER OVERALL
peripheral_diameter9.982 INCHES MINIMUM AND 9.990 INCHES MAXIMUM IN
center_hole_diameter8.937 INCHES MINIMUM AND 8.947 INCHES MAXIMUM IN
cross-sectional_height1.125 INCHES NOMINAL IN
cross-sectional_shape_styleCUP
material_document_and_classificationASTM A108 COMP 1015 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-480-4114
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8978-0-127 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
•
MATERIAL: STEEL COMP 1015 OVERALL
•
SURFACE TREATMENT: SILVER OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 COMP 1015 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CENTER HOLE DIAMETER: 8.937 INCHES MINIMUM AND 8.947 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 9.982 INCHES MINIMUM AND 9.990 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 1.125 INCHES NOMINAL IN
•
ANGLE: 24.0 DEGREES NOMINAL
•
CROSS-SECTIONAL SHAPE STYLE: CUP
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1015 OVERALL
SURFACE TREATMENTSILVER OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 COMP 1015 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE DIAMETER8.937 INCHES MINIMUM AND 8.947 INCHES MAXIMUM IN
PERIPHERAL DIAMETER9.982 INCHES MINIMUM AND 9.990 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT1.125 INCHES NOMINAL IN
ANGLE24.0 DEGREES NOMINAL
CROSS-SECTIONAL SHAPE STYLECUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
803-5001021Interchangeable
interchangeable cross-reference
interchangeable
650611Interchangeable
interchangeable cross-reference
interchangeable
8974-012-127Interchangeable
interchangeable cross-reference
interchangeable
D19157Interchangeable
interchangeable cross-reference
interchangeable
605267Interchangeable
interchangeable cross-reference
interchangeable
S4824-322455/3IN PC7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8978-0-127?
8978-0-127 is a RETAINER,PACKING.
What parts can replace 8978-0-127?
There are 14 known substitutes for 8978-0-127: 803-5001021, 650611, 8974-012-127 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8978-0-127?
8978-0-127 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-480-4114. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026