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7328MR-731-P4 — PACKING ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7328MR-731-P4: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 0.273 INCHES NOMINAL IN, material: PLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE BOTTOM RING, joint_type: SCARF-PERIPHERAL TOP RING, inside_diameter: 1.848 INCHES NOMINAL IN, outside_diameter: 2.268 INCHES NOMINAL IN, special_features: AIRCRAFT GT RING SEAL INTENDED FOR USE IN MALE GLAND GROOVES ONLY PER MIL-G-5514F FOR TYPE II, CLASS 2, SYSTEMS. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-503-4030, 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
7328MR-731-P4
NSN: 5330-01-503-4030
FSC: 5330 — Packing and Gasket Materials
CAGE: 5F573 — GREENE TWEED & CO INC (USA)
SPECIFICATIONS
height0.273 INCHES NOMINAL IN
materialPLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE BOTTOM RING
joint_typeSCARF-PERIPHERAL TOP RING
inside_diameter1.848 INCHES NOMINAL IN
outside_diameter2.268 INCHES NOMINAL IN
special_featuresAIRCRAFT GT RING SEAL INTENDED FOR USE IN MALE GLAND GROOVES ONLY PER MIL-G-5514F FOR TYPE II, CLASS 2, SYSTEMS
cross-sectional_shape_styleSQUARE/RECTANGULAR TOP RING
material_document_and_classificationMIL-R-83248, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING
part_name_assigned_by_controlling_agencyAGT RING, PISTON TYPE
NSN5330-01-503-4030
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7328MR-731-P4 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
•
OUTSIDE DIAMETER: 2.268 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR BOTTOM RING
•
INSIDE DIAMETER: 1.848 INCHES NOMINAL IN
•
HEIGHT: 0.273 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OUTSIDE DIAMETER2.268 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248, CLASS 1 MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR BOTTOM RING
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR TOP RING
CROSS-SECTIONAL SHAPE STYLETEE INTERMEDIATE RING
INSIDE DIAMETER1.848 INCHES NOMINAL IN
HEIGHT0.273 INCHES NOMINAL IN
SPECIAL FEATURESAIRCRAFT GT RING SEAL INTENDED FOR USE IN MALE GLAND GROOVES ONLY PER MIL-G-5514F FOR TYPE II, CLASS 2, SYSTEMS
PART NAME ASSIGNED BY CONTROLLING AGENCYAGT RING, PISTON TYPE
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE AND GRAPHITE TOP RING
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
15M23-41875 ITEM 29Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
15M23-41885 ITEM 29Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
36986-328Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 7328MR-731-P4?
7328MR-731-P4 is a PACKING ASSEMBLY.
What parts can replace 7328MR-731-P4?
There are 3 known substitutes for 7328MR-731-P4: 15M23-41875 ITEM 29, 15M23-41885 ITEM 29, 36986-328. Substitute compatibility should be verified for your specific system.
What is the NSN for 7328MR-731-P4?
7328MR-731-P4 is cataloged in the U.S. Government catalog under NSN 5330-01-503-4030. This indicates validated use in U.S. government and defense supply chains.
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