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3H744 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

3H744: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: RUBBER AND ASBESTOS OVERALL, hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 5.875 INCHES NOMINAL IN, aperture_width: 4.250 INCHES NOMINAL IN, overall_length: 6.375 INCHES NOMINAL IN, aperture_length: 4.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-975-7033, 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
3H744
NSN: 5330-00-975-7033
FSC: 5330 — Packing and Gasket Materials
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialRUBBER AND ASBESTOS OVERALL
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width5.875 INCHES NOMINAL IN
aperture_width4.250 INCHES NOMINAL IN
overall_length6.375 INCHES NOMINAL IN
aperture_length4.750 INCHES NOMINAL IN
bolt_hole_quantity4
inside_corner_radius0.250 INCHES NOMINAL IN
outside_corner_radius0.375 INCHES NOMINAL IN
cross-sectional_thickness0.031 INCHES NOMINAL IN
material_document_and_classification1E202,FSCM 11083 MFR REF ALL MATERIAL RESPONSES OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.375 INCHES NOMINAL IN
NSN5330-00-975-7033
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3H744 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: 0.031 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 1E202,FSCM 11083 MFR REF ALL MATERIAL RESPONSES OVERALL
•
APERTURE WIDTH: 4.250 INCHES NOMINAL IN
•
APERTURE LENGTH: 4.750 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 4
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
INSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION1E202,FSCM 11083 MFR REF ALL MATERIAL RESPONSES OVERALL
OVERALL LENGTH6.375 INCHES NOMINAL IN
OVERALL WIDTH5.875 INCHES NOMINAL IN
APERTURE WIDTH4.250 INCHES NOMINAL IN
APERTURE LENGTH4.750 INCHES NOMINAL IN
BOLT HOLE QUANTITY4
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH5.625 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SPECIAL FEATURESONE CUT-AWAY POSITIONED ON THE GASKET WIDTH,PIVOT OF RADIUS 3.531 IN. FROM LOWER RIGHT BOLT HOLE CENTER AND 0.562 IN. INWARD FROM BOLT HOLE CENTER LINE ALONG WIDTH,CUT-AWAY ENSCRIBES A 0.500 IN. CIRCLE RADIUS WIDTH INVERTED CORNER RADII OF 0.250 IN.; ONE PUNCH HOLE WITH HOLE CENTER POSITIONED 1.234 IN. ABOVE LOWER RIGHT BOLTHOLE AND 0.375 IN. INWARD FROM BOLT CENTER LINE ALONG WIDTH,PUNCH HOLE DIA. IS 0.266 IN. APERTURE FORMS A FRAME AROUND PUNCH HOLE,FRAME HAVING A 0.250 IN. RADIUS FROM PUNCH HOLE CENTER AND INVERTED CORNER RADII OF 0.250 IN. 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 1
3H0744Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3H744?
3H744 is a GASKET.
What parts can replace 3H744?
There is 1 known substitute for 3H744: 3H0744. Substitute compatibility should be verified for your specific system.
What is the NSN for 3H744?
3H744 is cataloged in the U.S. Government catalog under NSN 5330-00-975-7033. 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.