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99511 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

99511: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 4.0 MILLIMETERS NOMINAL MM, thread_length: 20.0 MILLIMETERS NOMINAL MM, fastener_length: 45.0 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-145-0706, 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
99511
NSN: 5331-01-145-0706
NIINs: 011450706, 013583657
FSC: 5331 — O-ring
CAGE: 35510 — PRESTOLITE ELECTRIC INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height4.0 MILLIMETERS NOMINAL MM
thread_length20.0 MILLIMETERS NOMINAL MM
fastener_length45.0 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats10.0 MILLIMETERS NOMINAL MM
nominal_thread_diameter6.0 MILLIMETERS MM
thread_series_designatorM
thread_pitch_in_millimeters1.0
external_thread_tolerance_class6G G
NSN5331-01-145-0706
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 99511 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
SUBSTITUTES & CROSS-REFERENCES 1
2AG283Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 99511?
99511 is a O-RING.
What parts can replace 99511?
There is 1 known substitute for 99511: 2AG283. Substitute compatibility should be verified for your specific system.
What is the NSN for 99511?
99511 is cataloged in the U.S. Government catalog under NSN 5331-01-145-0706. This indicates validated use in U.S. government and defense supply chains.
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