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7-551906 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7-551906: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: PAPER AND GLUE AND GLYCERIN OVERALL, temp_rating: 212.0 FAHRENHEIT DEGF, hole_diameter: 0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, outside_diameter: 4.250 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 2.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-576-5279, 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
7-551906
NSN: 5330-00-576-5279
FSC: 5330 — Packing and Gasket Materials
CAGE: 66654 — TVH PARTS CO. (USA)
SPECIFICATIONS
materialPAPER AND GLUE AND GLYCERIN OVERALL
temp_rating212.0 FAHRENHEIT DEGF
hole_diameter0.438 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
outside_diameter4.250 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter2.625 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter3.250 INCHES NOMINAL IN
cross-sectional_thickness0.010 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
material_document_and_classificationHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5330-00-576-5279
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7-551906 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
•
TEMP RATING: 212.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL THICKNESS: 0.010 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 4.250 INCHES NOMINAL IN
•
APERTURE DIAMETER: 2.625 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 6
TECHNICAL CHARACTERISTICS
TEMP RATING212.0 FAHRENHEIT DEGF
CROSS-SECTIONAL THICKNESS0.010 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONHH-P-96 FED SPEC ALL MATERIAL RESPONSES OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER4.250 INCHES NOMINAL IN
APERTURE DIAMETER2.625 INCHES NOMINAL IN
BOLT HOLE QUANTITY6
BOLT CIRCLE DIAMETER3.250 INCHES NOMINAL IN
MATERIALPAPER AND GLUE AND GLYCERIN OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
D-76219Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
2039306Reference document
Same NSN cross-reference
Reference document — Secondary reference
4095388Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5821853Reference document
Same NSN cross-reference
Reference document — Secondary reference
551906Reference 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 7-551906?
7-551906 is a GASKET.
What parts can replace 7-551906?
There are 5 known substitutes for 7-551906: D-76219, 2039306, 4095388 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-551906?
7-551906 is cataloged in the U.S. Government catalog under NSN 5330-00-576-5279. This indicates validated use in U.S. government and defense supply chains.
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