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8977-007-340 — GASKET,SPIRAL WOUND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8977-007-340: GASKET,SPIRAL WOUND.

The GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include outside_diameter: 7.469 INCHES MINIMUM AND 7.500 INCHES MAXIMUM IN, style_designator: CIRCULAR, aperture_diameter: 6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN, cross-sectional_thickness: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, environmental_attribute_code: ASBESTOS ALTERNATIVE PRODUCTS. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-459-4636, 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
8977-007-340
NSN: 5330-01-459-4636
FSC: 5330 — Packing and Gasket Materials
CAGE: 57574 — VELAN VALVE CORP. (USA)
SPECIFICATIONS
outside_diameter7.469 INCHES MINIMUM AND 7.500 INCHES MAXIMUM IN
style_designatorCIRCULAR
aperture_diameter6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN
cross-sectional_thickness0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
NSN5330-01-459-4636
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8977-007-340 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 THICKNESS: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 7.469 INCHES MINIMUM AND 7.500 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTS
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER7.469 INCHES MINIMUM AND 7.500 INCHES MAXIMUM IN
APERTURE DIAMETER6.984 INCHES MINIMUM AND 7.016 INCHES MAXIMUM IN
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTS
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8977-007-340?
8977-007-340 is a GASKET,SPIRAL WOUND.
What is the NSN for 8977-007-340?
8977-007-340 is cataloged in the U.S. Government catalog under NSN 5330-01-459-4636. 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.