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4M1843 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4M1843: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC AND PAPER OVERALL, end_radius: 0.440 INCHES NOMINAL IN, hole_diameter: 0.410 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.480 INCHES NOMINAL IN, overall_length: 4.950 INCHES NOMINAL IN, cross-sectional_thickness: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-074-3788, 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
4M1843
NSN: 5330-00-074-3788
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC AND PAPER OVERALL
end_radius0.440 INCHES NOMINAL IN
hole_diameter0.410 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.480 INCHES NOMINAL IN
overall_length4.950 INCHES NOMINAL IN
cross-sectional_thickness0.062 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
bolt_hole_centerline_to_nearest_edge_distance0.740 INCHES NOMINAL IN
center_to_center_distance_between_bolt_holes_along_length4.070 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
NSN5330-00-074-3788
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4M1843 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 THICKNESS: 0.062 INCHES NOMINAL IN
•
END RADIUS: 0.440 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE: 0.740 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 4.070 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
MATERIAL: RUBBER SYNTHETIC AND PAPER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
END RADIUS0.440 INCHES NOMINAL IN
OVERALL LENGTH4.950 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH1.480 INCHES NOMINAL IN
BOLT HOLE CENTERLINE TO NEAREST EDGE DISTANCE0.740 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH4.070 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
MATERIALRUBBER SYNTHETIC AND PAPER OVERALL
HOLE DIAMETER0.410 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 3
1945477Reference document
Same NSN cross-reference
Reference document — Secondary reference
A41849Reference document
Same NSN cross-reference
Reference document — Secondary reference
125-3697Reference 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 4M1843?
4M1843 is a GASKET.
What parts can replace 4M1843?
There are 3 known substitutes for 4M1843: 1945477, A41849, 125-3697. Substitute compatibility should be verified for your specific system.
What is the NSN for 4M1843?
4M1843 is cataloged in the U.S. Government catalog under NSN 5330-00-074-3788. This indicates validated use in U.S. government and defense supply chains.
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