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16446-1 — CRANE,FLOOR,PORTABLE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

16446-1: CRANE,FLOOR,PORTABLE.

The CRANE,FLOOR,PORTABLE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 36.0 DEGREES, thread_class: 3A EXTERNAL A, connection_style: FLARELESS, thread_direction: RIGHT-HAND EXTERNAL, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-285-6863, 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
16446-1
NSN: 5331-00-285-6863
NIINs: 002856863, 009981227, 010210532
FSC: 5331 — O-ring
CAGE: 58163 — MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS DIV MEGGITT DEFENSE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle36.0 DEGREES
thread_class3A EXTERNAL A
connection_styleFLARELESS
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.562 INCHES EXTERNAL IN
thread_series_designatorUNF EXTERNAL
NSN5331-00-285-6863
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16446-1 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: 0.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 1
5000-018Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 16446-1?
16446-1 is a CRANE,FLOOR,PORTABLE.
What parts can replace 16446-1?
There is 1 known substitute for 16446-1: 5000-018. Substitute compatibility should be verified for your specific system.
What is the NSN for 16446-1?
16446-1 is cataloged in the U.S. Government catalog under NSN 5331-00-285-6863. 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.