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348-88 — DEFLECTOR,DIRT AND LIQUID

✓ Government record, cited
Trefl · ORING SEAL
PRODUCT OVERVIEW

348-88: DEFLECTOR,DIRT AND LIQUID.

The DEFLECTOR,DIRT AND LIQUID is a Trefl industrial component. Key specifications include material: COPPER ALLOY 934, inside_diameter: 4.502 INCHES MINIMUM AND 4.503 INCHES MAXIMUM IN, outside_diameter: 6.248 INCHES MINIMUM AND 6.426 INCHES MAXIMUM IN, style_designator: ROUND, material_thickness: 0.375 INCHES NOMINAL IN, mounting_hole_type: PLAIN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-404-4056, 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
348-88
NSN: 5330-00-404-4056
NIINs: 004044056, 008269261, 013522704
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialCOPPER ALLOY 934
inside_diameter4.502 INCHES MINIMUM AND 4.503 INCHES MAXIMUM IN
outside_diameter6.248 INCHES MINIMUM AND 6.426 INCHES MAXIMUM IN
style_designatorROUND
material_thickness0.375 INCHES NOMINAL IN
mounting_hole_typePLAIN
bolt_circle_diameter5.750 INCHES NOMINAL IN
mounting_hole_diameter0.218 INCHES NOMINAL IN
mounting_hole_quantity8
material_document_and_classificationMIL-B-16261, GRADE 2-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE
angle_between_centerlines_of_mounting_holes_in_deg45.0
NSN5330-00-404-4056
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 348-88 MFR: Trefl ⚠ 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: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
•
SEAL WIDTH: 0.438 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
OUTSIDE DIAMETER: 4.506 INCHES NOMINAL IN
•
HOUSING BORE DIAMETER: 4.500 INCHES NOMINAL IN
•
ACCOMMODATED SHAFT MAXIMUM RATED SPEED: 3600 FEET PER MINUTE FT
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 3.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
SEAL WIDTH0.438 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
OUTSIDE DIAMETER4.506 INCHES NOMINAL IN
HOUSING BORE DIAMETER4.500 INCHES NOMINAL IN
ACCOMMODATED SHAFT MAXIMUM RATED SPEED3600 FEET PER MINUTE FT
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER3.500 INCHES NOMINAL IN
SURFACE TREATMENTPLASTIC CASE
MATERIALSTEEL CASE
SUBSTITUTES & CROSS-REFERENCES 4
00044Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
00044 TY 1 CASE TY 2B ELEMENTReference document
Same NSN cross-reference
Reference document — Secondary reference
52-W-2291-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
55146Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 348-88?
348-88 is a DEFLECTOR,DIRT AND LIQUID manufactured by Trefl.
What parts can replace 348-88?
There are 4 known substitutes for 348-88: 00044, 00044 TY 1 CASE TY 2B ELEMENT, 52-W-2291-20 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 348-88?
348-88 is cataloged in the U.S. Government catalog under NSN 5330-00-404-4056. This indicates validated use in U.S. government and defense supply chains.
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