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KC9440 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

KC9440: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include angle: 90.0 DEGREES NOMINAL, material: STEEL OVERALL, surface_treatment: ZINC OVERALL, peripheral_diameter: 1.860 INCHES MINIMUM AND 1.870 INCHES MAXIMUM IN, center_hole_diameter: 1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN, cross-sectional_height: 0.141 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-740-9512, 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
KC9440
NSN: 5330-00-740-9512
FSC: 5330 — Packing and Gasket Materials
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
angle90.0 DEGREES NOMINAL
materialSTEEL OVERALL
surface_treatmentZINC OVERALL
peripheral_diameter1.860 INCHES MINIMUM AND 1.870 INCHES MAXIMUM IN
center_hole_diameter1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN
cross-sectional_height0.141 INCHES NOMINAL IN
cross-sectional_shape_styleANGLE
NSN5330-00-740-9512
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: KC9440 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: 0.141 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ANGLE
•
ANGLE: 90.0 DEGREES NOMINAL
•
PERIPHERAL DIAMETER: 1.860 INCHES MINIMUM AND 1.870 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ZINC OVERALL
•
CENTER HOLE DIAMETER: 1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.141 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEANGLE
ANGLE90.0 DEGREES NOMINAL
PERIPHERAL DIAMETER1.860 INCHES MINIMUM AND 1.870 INCHES MAXIMUM IN
SURFACE TREATMENTZINC OVERALL
CENTER HOLE DIAMETER1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
PGF2949CReference document
Same NSN cross-reference
Reference document — Secondary reference
PGF2949BReference document
Same NSN cross-reference
Reference document — Secondary reference
1796N2Reference document
Same NSN cross-reference
Reference document — Secondary reference
PGF2949Reference document
Same NSN cross-reference
Reference document — Secondary reference
915557Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is KC9440?
KC9440 is a RETAINER,PACKING.
What parts can replace KC9440?
There are 5 known substitutes for KC9440: PGF2949C, PGF2949B, 1796N2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for KC9440?
KC9440 is cataloged in the U.S. Government catalog under NSN 5330-00-740-9512. 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.