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520399 — ELBOW,TUBE TO BOSS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

520399: ELBOW,TUBE TO BOSS.

The ELBOW,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM FIRST END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A SECOND END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-713-5534, 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
520399
NSN: 5330-00-713-5534
NIINs: 007135534, 009043373
FSC: 5330 — Packing and Gasket Materials
CAGE: 89749 — CLARK MATERIAL HANDLING COMPANY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flow_angle90.0 DEGREES
leg_length0.850 INCHES MINIMUM AND 0.870 INCHES MAXIMUM FIRST END IN
seat_angle37.0 DEGREES FIRST END
thread_class3A SECOND END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.562 INCHES FIRST END IN
media_for_which_designedAERONAUTICAL FLUID SECOND RESPONSE
thread_series_designatorUNF SECOND END BULKHEAD
nominal_outside_diameter_tube_accommodated0.375 INCHES FIRST END IN
NSN5330-00-713-5534
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 520399 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 HEIGHT: 0.281 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: U
•
ANGLE: 90.0 DEGREES NOMINAL
•
PERIPHERAL DIAMETER: 2.501 INCHES MINIMUM AND 2.503 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.751 INCHES MINIMUM AND 1.753 INCHES MAXIMUM IN
•
MATERIAL: GLASS AND PLASTIC POLYAMIDE NYLON OVERALL
•
JOINT TYPE: BUTT OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.281 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEU
ANGLE90.0 DEGREES NOMINAL
PERIPHERAL DIAMETER2.501 INCHES MINIMUM AND 2.503 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.751 INCHES MINIMUM AND 1.753 INCHES MAXIMUM IN
MATERIALGLASS AND PLASTIC POLYAMIDE NYLON OVERALL
JOINT TYPEBUTT OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 520399?
520399 is a ELBOW,TUBE TO BOSS.
What is the NSN for 520399?
520399 is cataloged in the U.S. Government catalog under NSN 5330-00-713-5534. This indicates validated use in U.S. government and defense supply chains.
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