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76-WR42O806 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

76-WR42O806: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include outside_diameter: 0.745 INCHES NOMINAL IN, cross-sectional_height: 0.049 INCHES NOMINAL IN, end_item_identification: KA-BAND SSK, 20W TAN HAWKEYE III LITE, AU W, part_name_assigned_by_controlling_agency: GASKET, WR42 O-RING, FULL STYLE, CONDUCTIVE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-629-7997, 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
76-WR42O806
NSN: 5331-01-629-7997
FSC: 5331 — O-ring
CAGE: 1UB81 — L3 TECHNOLOGIES, INC. DBA HARRIS CORP (USA)
SPECIFICATIONS
outside_diameter0.745 INCHES NOMINAL IN
cross-sectional_height0.049 INCHES NOMINAL IN
end_item_identificationKA-BAND SSK, 20W TAN HAWKEYE III LITE, AU W
part_name_assigned_by_controlling_agencyGASKET, WR42 O-RING, FULL STYLE, CONDUCTIVE
NSN5331-01-629-7997
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 76-WR42O806 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: 0.049 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.745 INCHES NOMINAL IN
•
COLOR: NATURAL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.049 INCHES NOMINAL IN
OUTSIDE DIAMETER0.745 INCHES NOMINAL IN
COLORNATURAL
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKET, WR42 O-RING, FULL STYLE, CONDUCTIVE
END ITEM IDENTIFICATIONKA-BAND SSK, 20W TAN HAWKEYE III LITE, AU W
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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 76-WR42O806?
76-WR42O806 is a O-RING.
What is the NSN for 76-WR42O806?
76-WR42O806 is cataloged in the U.S. Government catalog under NSN 5331-01-629-7997. 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.