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15500481 — CYLINDER ASSEMBLY,HYDRAULIC BRAK

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

15500481: CYLINDER ASSEMBLY,HYDRAULIC BRAK.

CYLINDER ASSEMBLY,HYDRAULIC BRAK. Key specifications include end_item_identification: AIRCRAFT MODEL O2. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-130-0146, 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
15500481
NSN: 5340-00-130-0146
NIINs: 001300146, 012947183
FSC: 5340 — Hardware, Commercial
CAGE: 7EK50 — TEXTRON AVIATION INC (USA)
SPECIFICATIONS
end_item_identificationAIRCRAFT MODEL O2
general_characteristics_item_descriptionSTEEL,MIL-S-18729,4.000 IN. LG,3.410 IN. W,1.690 IN. H,4 MOUNTING HOLES 0.750 IN. DIA,CHAMFERED 0.060 IN. BY 45 DEGREES IN
NSN5340-00-130-0146
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 15500481 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,MIL-S-18729,4.000 IN. LG,3.410 IN. W,1.690 IN. H,4 MOUNTING HOLES 0.750 IN. DIA,CHAMFERED 0.060 IN. BY 45 DEGREES IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,MIL-S-18729,4.000 IN. LG,3.410 IN. W,1.690 IN. H,4 MOUNTING HOLES 0.750 IN. DIA,CHAMFERED 0.060 IN. BY 45 DEGREES IN
END ITEM IDENTIFICATIONAIRCRAFT MODEL O2
SUBSTITUTES & CROSS-REFERENCES 1
1550079-1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 15500481?
15500481 is a CYLINDER ASSEMBLY,HYDRAULIC BRAK.
What parts can replace 15500481?
There is 1 known substitute for 15500481: 1550079-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 15500481?
15500481 is cataloged in the U.S. Government catalog under NSN 5340-00-130-0146. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.