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813616 ITEM 8 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

813616 ITEM 8: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, center_hole_diameter: 1.489 INCHES NOMINAL IN, cross-sectional_height: 0.070 INCHES NOMINAL IN, end_item_identification: ULTIMA H2S SENSOR REPLACEMENT KIT, part_name_assigned_by_controlling_agency: BUNA-N (NITRILE) A568A-029 O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-576-5964, 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
813616 ITEM 8
NSN: 5331-01-576-5964
FSC: 5331 — O-ring
CAGE: 00VT4 — MINE SAFETY APPLIANCES COMPANY DBA PERMANENT INSTRUMENTS DIVISION (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
hardness_rating70.0 SHORE DUROMETER A NOMINAL
center_hole_diameter1.489 INCHES NOMINAL IN
cross-sectional_height0.070 INCHES NOMINAL IN
end_item_identificationULTIMA H2S SENSOR REPLACEMENT KIT
part_name_assigned_by_controlling_agencyBUNA-N (NITRILE) A568A-029 O-RING
NSN5331-01-576-5964
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 813616 ITEM 8 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: 0.070 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL
•
CENTER HOLE DIAMETER: 1.489 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.070 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL
CENTER HOLE DIAMETER1.489 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBUNA-N (NITRILE) A568A-029 O-RING
END ITEM IDENTIFICATIONULTIMA H2S SENSOR REPLACEMENT KIT
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 813616 ITEM 8?
813616 ITEM 8 is a O-RING.
What is the NSN for 813616 ITEM 8?
813616 ITEM 8 is cataloged in the U.S. Government catalog under NSN 5331-01-576-5964. 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.