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690-325 — DIFFUSER ASSEMBLY,COMPRESSOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

690-325: DIFFUSER ASSEMBLY,COMPRESSOR.

The DIFFUSER ASSEMBLY,COMPRESSOR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 BODY, design_type: REUSABLE, body_diameter: 3.430 INCHES NOMINAL IN, mounting_type: INLET CONNECTION AND OUTLET CONNECTION HEAD SIDE, style_designator: MULTIPLE STACKED DISKS, W/CLEANING BLADES, operating_pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-352-0519, 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
690-325
NSN: 5330-00-352-0519
NIINs: 003520519, 010809061, 014251008, 014252852
FSC: 5330 — Packing and Gasket Materials
CAGE: 60980 — MEGGITT OREGON INC DBA MEGGITT OREGON INC DIV MEGGITT POLYMERS & COMPOSITES (USA)
SPECIFICATIONS
materialSTEEL COMP 316 BODY
design_typeREUSABLE
body_diameter3.430 INCHES NOMINAL IN
mounting_typeINLET CONNECTION AND OUTLET CONNECTION HEAD SIDE
style_designatorMULTIPLE STACKED DISKS, W/CLEANING BLADES
operating_pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
body_overall_length12.000 INCHES NOMINAL IN
filtering_media_designMULTIPLE STACKED DISKS SINGLE FILTERING MEDIA RESPONSE
end_item_identificationFILTER ASSEMBLY;PARMATIC FILTER CORP;W/S NIMITZ CLASS CVN
media_for_which_designedETHYLENE
filtering_element_quantity1
first_intake_connection_typeTHREADED INTERNAL TUBE HEAD SIDE
NSN5330-00-352-0519
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 690-325 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
•
SEAL WIDTH: 0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 3.810 INCHES MINIMUM AND 3.855 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 3.220 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SILICONE CLASS Q AND GLASS SEALING ELEMENT
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.215 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
HOUSING BORE DIAMETER3.810 INCHES MINIMUM AND 3.855 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER3.220 INCHES MINIMUM AND 3.250 INCHES MAXIMUM IN
MATERIALRUBBER SILICONE CLASS Q AND GLASS SEALING ELEMENT
CONSTRUCTIONSOLID
SUBSTITUTES & CROSS-REFERENCES 2
490-325Reference document
Same NSN cross-reference
Reference document — Secondary reference
ST7M328-325Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 690-325?
690-325 is a DIFFUSER ASSEMBLY,COMPRESSOR.
What parts can replace 690-325?
There are 2 known substitutes for 690-325: 490-325, ST7M328-325. Substitute compatibility should be verified for your specific system.
What is the NSN for 690-325?
690-325 is cataloged in the U.S. Government catalog under NSN 5330-00-352-0519. This indicates validated use in U.S. government and defense supply chains.
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