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7M1186-20 — GASKET,SPIRAL WOUND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7M1186-20: GASKET,SPIRAL WOUND.

The GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: GRAPHITE SPIRAL WOUND FILLER, outside_diameter: 1.650 INCHES NOMINAL1.650 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 1.40 INCHES NOMINAL1.40 INCHES NOMINAL IN, end_item_identification: AV/8BAV/8B, part_name_assigned_by_controlling_agency: GASKETGASKET. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-622-7499, 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
7M1186-20
NSN: 5330-01-622-7499
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialGRAPHITE SPIRAL WOUND FILLER
outside_diameter1.650 INCHES NOMINAL1.650 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter1.40 INCHES NOMINAL1.40 INCHES NOMINAL IN
end_item_identificationAV/8BAV/8B
part_name_assigned_by_controlling_agencyGASKETGASKET
NSN5330-01-622-7499
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7M1186-20 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
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 1.650 INCHES NOMINAL1.650 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.40 INCHES NOMINAL1.40 INCHES NOMINAL IN
•
MATERIAL: GRAPHITE SPIRAL WOUND FILLER
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER1.650 INCHES NOMINAL1.650 INCHES NOMINAL IN
APERTURE DIAMETER1.40 INCHES NOMINAL1.40 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYGASKETGASKET
END ITEM IDENTIFICATIONAV/8BAV/8B
MATERIALGRAPHITE SPIRAL WOUND FILLER
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7M1186-20?
7M1186-20 is a GASKET,SPIRAL WOUND.
What is the NSN for 7M1186-20?
7M1186-20 is cataloged in the U.S. Government catalog under NSN 5330-01-622-7499. 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.