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Technical Data Sheet
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300489 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

300489: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-00-563-8763, 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
300489
NSN: 5340-00-563-8763
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
Part Number300489
NSN5340-00-563-8763
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 300489 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 FEATURESSTAINLESS STEEL PER AMS 5613,ITEM CONSISTS OF A MOUNTING BASE WITH 2 LEGS EXTENDING PERPENDICULARLY FROM THE BASE,0.115 IN. MIN TO 0.135 IN. MAX BASE THICKNESS,0.096 IN. MIN TO 0.106 IN. MAX LEG THICKNESS,0.250 IN. MIN TO 0.254 IN. MAX DISTANCE BETWEEN LEGS,MOUNTING BASE CONTAINS 2 HOLES WITH 0.339 IN. MIN TO 0.349 IN. MAX,EACH LEG CONTAINS A HOLE WITH 0.374 IN. MIN TO 0.376 IN. MAX DIAMETER IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 300489?
300489 is a BRACKET,MOUNTING.
What is the NSN for 300489?
300489 is cataloged in the U.S. Government catalog under NSN 5340-00-563-8763. This indicates validated use in U.S. government and defense supply chains.
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