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AC2881 — GASKET

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AC2881: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include material: ASBESTOS OVERALL, temp_rating: 600.0 FAHRENHEIT DEGF, overall_width: 5.250 INCHES MINIMUM AND 5.750 INCHES MAXIMUM IN, aperture_width: 4.374 INCHES MINIMUM AND 4.936 INCHES MAXIMUM IN, overall_length: 9.500 INCHES NOMINAL IN, aperture_length: 8.820 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-731-6475, 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
AC2881
NSN: 5330-00-731-6475
FSC: 5330 — Packing and Gasket Materials
CAGE: 35301 — DRESSER INDUSTRIES INC LEROI DIV (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
temp_rating600.0 FAHRENHEIT DEGF
overall_width5.250 INCHES MINIMUM AND 5.750 INCHES MAXIMUM IN
aperture_width4.374 INCHES MINIMUM AND 4.936 INCHES MAXIMUM IN
overall_length9.500 INCHES NOMINAL IN
aperture_length8.820 INCHES NOMINAL IN
cross-sectional_thickness0.015 INCHES NOMINAL IN
largest_bolt_hole_diameter0.468 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
smallest_bolt_hole_diameter0.343 INCHES NOMINAL IN
material_document_and_classificationASTM D-1170 GRADE P-1161-A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-731-6475
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AC2881 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
•
TEMP RATING: 600.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL THICKNESS: 0.015 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D-1170 GRADE P-1161-A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SMALLEST BOLT HOLE DIAMETER: 0.343 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE WIDTH: 4.374 INCHES MINIMUM AND 4.936 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
TEMP RATING600.0 FAHRENHEIT DEGF
CROSS-SECTIONAL THICKNESS0.015 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D-1170 GRADE P-1161-A ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH9.500 INCHES NOMINAL IN
SMALLEST BOLT HOLE DIAMETER0.343 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH5.250 INCHES MINIMUM AND 5.750 INCHES MAXIMUM IN
APERTURE WIDTH4.374 INCHES MINIMUM AND 4.936 INCHES MAXIMUM IN
APERTURE LENGTH8.820 INCHES NOMINAL IN
LARGEST BOLT HOLE DIAMETER0.468 INCHES NOMINAL IN
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 AC2881?
AC2881 is a GASKET.
What is the NSN for AC2881?
AC2881 is cataloged in the U.S. Government catalog under NSN 5330-00-731-6475. 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.