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Technical Data Sheet
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S748-263 — CHAIN,DOOR STOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S748-263: CHAIN,DOOR STOP.

The CHAIN,DOOR STOP is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-232-8227, 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
S748-263
NSN: 5340-00-232-8227
FSC: 5340 — Hardware, Commercial
CAGE: 76377 — STANLEY INDUSTRIAL & AUTOMOTIVE LLC (USA)
SPECIFICATIONS
special_featuresCHAIN DOOR STOP HAS A COMPRESSION SPRING, CHAIN, BRACKETS AND ALL COMPONENTS USED TO RESTRICT DOOR OPENINGS; CAN BE USED ON WOOD OR METAL DOORS
NSN5340-00-232-8227
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S748-263 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCHAIN DOOR STOP HAS A COMPRESSION SPRING, CHAIN, BRACKETS AND ALL COMPONENTS USED TO RESTRICT DOOR OPENINGS; CAN BE USED ON WOOD OR METAL DOORS
SUBSTITUTES & CROSS-REFERENCES 2
748263Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
1707KReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S748-263?
S748-263 is a CHAIN,DOOR STOP.
What parts can replace S748-263?
There are 2 known substitutes for S748-263: 748263, 1707K. Substitute compatibility should be verified for your specific system.
What is the NSN for S748-263?
S748-263 is cataloged in the U.S. Government catalog under NSN 5340-00-232-8227. This indicates validated use in U.S. government and defense supply chains.
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