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Technical Data Sheet
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19-01-099 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

19-01-099: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: 5855-01-552-3289;VISIBLE LIGHT ILLUMINATOR, part_name_assigned_by_controlling_agency: O-RING,HOUSING,FORWARD. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-554-0878, 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
19-01-099
NSN: 5331-01-554-0878
FSC: 5331 — O-ring
CAGE: 0BJZ8 — SUREFIRE, LLC DBA SUREFIRE LLC (USA)
SPECIFICATIONS
end_item_identification5855-01-552-3289;VISIBLE LIGHT ILLUMINATOR
part_name_assigned_by_controlling_agencyO-RING,HOUSING,FORWARD
NSN5331-01-554-0878
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 19-01-099 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
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYO-RING,HOUSING,FORWARD
END ITEM IDENTIFICATION5855-01-552-3289;VISIBLE LIGHT ILLUMINATOR
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

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 19-01-099?
19-01-099 is a O-RING.
What is the NSN for 19-01-099?
19-01-099 is cataloged in the U.S. Government catalog under NSN 5331-01-554-0878. 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.