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JFH121 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

JFH121: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 5052 OVERALL, hole_diameter: 0.380 INCHES NOMINAL ALL HOLES IN, outside_diameter: 4.720 INCHES MINIMUM AND 4.780 INCHES MAXIMUM IN, special_features: GREEN POLYTETRAFLUOROETHYLENE COATING BOTH SIDES CONVOLUTED AREA ONLY,WITH CONVOLUTIONS ON 3.375 IN. DIA IN, surface_treatment: PRIMER OVERALL, bolt_circle_diameter: 4.000 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-451-6574, 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
JFH121
NSN: 5330-00-451-6574
FSC: 5330 — Packing and Gasket Materials
CAGE: 02750 — EATON AEROSPACE LLC DBA EATON INOAC DIV FLUID & ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 5052 OVERALL
hole_diameter0.380 INCHES NOMINAL ALL HOLES IN
outside_diameter4.720 INCHES MINIMUM AND 4.780 INCHES MAXIMUM IN
special_featuresGREEN POLYTETRAFLUOROETHYLENE COATING BOTH SIDES CONVOLUTED AREA ONLY,WITH CONVOLUTIONS ON 3.375 IN. DIA IN
surface_treatmentPRIMER OVERALL
bolt_circle_diameter4.000 INCHES NOMINAL IN
material_document_and_classificationQQ-A-250/8,H34 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-451-6574
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: JFH121 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/8,H34 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 4.720 INCHES MINIMUM AND 4.780 INCHES MAXIMUM IN
•
BOLT CIRCLE DIAMETER: 4.000 INCHES NOMINAL IN
•
SURFACE TREATMENT: PRIMER OVERALL
•
MATERIAL: ALUMINUM ALLOY 5052 OVERALL
•
HOLE DIAMETER: 0.380 INCHES NOMINAL ALL HOLES IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/8,H34 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER4.720 INCHES MINIMUM AND 4.780 INCHES MAXIMUM IN
BOLT CIRCLE DIAMETER4.000 INCHES NOMINAL IN
SPECIAL FEATURESGREEN POLYTETRAFLUOROETHYLENE COATING BOTH SIDES CONVOLUTED AREA ONLY,WITH CONVOLUTIONS ON 3.375 IN. DIA IN
SURFACE TREATMENTPRIMER OVERALL
MATERIALALUMINUM ALLOY 5052 OVERALL
HOLE DIAMETER0.380 INCHES NOMINAL ALL HOLES 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JFH121?
JFH121 is a GASKET.
What is the NSN for JFH121?
JFH121 is cataloged in the U.S. Government catalog under NSN 5330-00-451-6574. This indicates validated use in U.S. government and defense supply chains.
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