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S1748 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S1748: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, center_hole_diameter: 8.945 INCHES MINIMUM AND 9.005 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-186-1323, 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
S1748
NSN: 5330-00-186-1323
NIINs: 001861323, 004262939, 004684955, 010109802, 014585960
FSC: 5330 — Packing and Gasket Materials
CAGE: 73277 — HOUGHTON INTERNATIONAL INC. (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
center_hole_diameter8.945 INCHES MINIMUM AND 9.005 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
NSN5330-00-186-1323
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S1748 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
•
CROSS-SECTIONAL THICKNESS: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 4.375 INCHES NOMINAL IN
•
APERTURE DIAMETER: 3.999 INCHES NOMINAL IN
•
MATERIAL: LEATHER OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER4.375 INCHES NOMINAL IN
APERTURE DIAMETER3.999 INCHES NOMINAL IN
MATERIALLEATHER OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
547510PCAN6246-48Reference document
Same NSN cross-reference
Reference document — Secondary reference
AN6246-48Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AN6246PC48Reference document
Same NSN cross-reference
Reference document — Secondary reference
298S48Reference document
Same NSN cross-reference
Reference document — Secondary reference
2200-3112608PCAN6246-48Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 S1748?
S1748 is a O-RING.
What parts can replace S1748?
There are 5 known substitutes for S1748: 547510PCAN6246-48, AN6246-48, AN6246PC48 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for S1748?
S1748 is cataloged in the U.S. Government catalog under NSN 5330-00-186-1323. This indicates validated use in U.S. government and defense supply chains.
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