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839999 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

839999: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, temp_rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN, end_item_identification: 2355-016545306. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-728-2605, 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
839999
NSN: 5331-01-728-2605
FSC: 5331 — O-ring
CAGE: 24346 — LDI INDUSTRIES, INC. DBA LDI INDUSTRIES INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
temp_rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
end_item_identification2355-016545306
part_name_assigned_by_controlling_agencyORING, .612X.103, NBR, 70
NSN5331-01-728-2605
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 839999 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
•
TEMP RATING: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
TEMP RATING-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER0.603 INCHES MINIMUM AND 0.621 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYORING, .612X.103, NBR, 70
END ITEM IDENTIFICATION2355-016545306
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
SUBSTITUTES & CROSS-REFERENCES 1
5128010Reference document
Same NSN cross-reference
Reference document — Vendor item drawing 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 839999?
839999 is a O-RING.
What parts can replace 839999?
There is 1 known substitute for 839999: 5128010. Substitute compatibility should be verified for your specific system.
What is the NSN for 839999?
839999 is cataloged in the U.S. Government catalog under NSN 5331-01-728-2605. This indicates validated use in U.S. government and defense supply chains.
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