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A9781M161PC28 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A9781M161PC28: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND PLASTIC OVERALL, joint_type: SCARF-PERIPHERAL PACKING, peripheral_diameter: 1.875 INCHES NOMINAL IN, center_hole_diameter: 1.250 INCHES NOMINAL IN, cross-sectional_height: 0.250 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-865-7394, 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
A9781M161PC28
NSN: 5330-00-865-7394
FSC: 5330 — Packing and Gasket Materials
CAGE: 95995 — WALWORTH CO THE (USA)
SPECIFICATIONS
materialASBESTOS AND PLASTIC OVERALL
joint_typeSCARF-PERIPHERAL PACKING
peripheral_diameter1.875 INCHES NOMINAL IN
center_hole_diameter1.250 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5330-00-865-7394
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A9781M161PC28 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: 0.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 1.875 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.250 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND PLASTIC OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL PACKING
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER1.875 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.250 INCHES NOMINAL IN
MATERIALASBESTOS AND PLASTIC OVERALL
JOINT TYPESCARF-PERIPHERAL PACKING
SUBSTITUTES & CROSS-REFERENCES 2
A7514M189PC14Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
603788Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A9781M161PC28?
A9781M161PC28 is a PACKING,PREFORMED.
What parts can replace A9781M161PC28?
There are 2 known substitutes for A9781M161PC28: A7514M189PC14, 603788. Substitute compatibility should be verified for your specific system.
What is the NSN for A9781M161PC28?
A9781M161PC28 is cataloged in the U.S. Government catalog under NSN 5330-00-865-7394. This indicates validated use in U.S. government and defense supply chains.
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