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C8742PC4 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

C8742PC4: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: LEATHER AND RUBBER POLYSULFIDE CLASS T OVERALL, peripheral_diameter: 1.260 INCHES NOMINAL IN, center_hole_diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, cross-sectional_height: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-932-1864, 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
C8742PC4
NSN: 5330-00-932-1864
FSC: 5330 — Packing and Gasket Materials
CAGE: 27125 — HANNA CORP (USA)
SPECIFICATIONS
materialLEATHER AND RUBBER POLYSULFIDE CLASS T OVERALL
peripheral_diameter1.260 INCHES NOMINAL IN
center_hole_diameter0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
cross-sectional_height0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5330-00-932-1864
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C8742PC4 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: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 1.260 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
•
MATERIAL: LEATHER AND RUBBER POLYSULFIDE CLASS T OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER1.260 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
MATERIALLEATHER AND RUBBER POLYSULFIDE CLASS T OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
46105-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 C8742PC4?
C8742PC4 is a RETAINER,PACKING.
What parts can replace C8742PC4?
There is 1 known substitute for C8742PC4: 46105-6. Substitute compatibility should be verified for your specific system.
What is the NSN for C8742PC4?
C8742PC4 is cataloged in the U.S. Government catalog under NSN 5330-00-932-1864. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.