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AMS7271ES — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

AMS7271ES: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF, hardness_rating: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL, peripheral_diameter: 0.838 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN, center_hole_diameter: 2.035 INCHES MINIMUM AND 2.055 INCHES MAXIMUM IN, elongation_percentage: 252 MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-005-1554, 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
AMS7271ES
NSN: 5330-00-005-1554
NIINs: 000051554, 000068638
FSC: 5330 — Packing and Gasket Materials
CAGE: H2313 — ERIKS B.V. (NLD)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
hardness_rating60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
peripheral_diameter0.838 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
center_hole_diameter2.035 INCHES MINIMUM AND 2.055 INCHES MAXIMUM IN
elongation_percentage252 MAXIMUM
cross-sectional_height0.075 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
cross-sectional_shape_styleO-RING
material_document_and_classificationAMS-7271 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-005-1554
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: AMS7271ES 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: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS-7271 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
PERIPHERAL DIAMETER: 0.838 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.911 INCHES MINIMUM AND 1.931 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.077 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
HARDNESS RATING60.0 SHORE DUROMETER A MINIMUM AND 70.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-7271 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
PERIPHERAL DIAMETER0.838 INCHES MINIMUM AND 0.868 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.911 INCHES MINIMUM AND 1.931 INCHES MAXIMUM IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
182766Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
0192-1080N506-65Reference document
Same NSN cross-reference
Reference document — Secondary reference
5-021N506-65Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AMS7271ES?
AMS7271ES is a PACKING,PREFORMED.
What parts can replace AMS7271ES?
There are 3 known substitutes for AMS7271ES: 182766, 0192-1080N506-65, 5-021N506-65. Substitute compatibility should be verified for your specific system.
What is the NSN for AMS7271ES?
AMS7271ES is cataloged in the U.S. Government catalog under NSN 5330-00-005-1554. 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.