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Technical Data Sheet
PartsTable / COMPONENT / 00804821
00804821 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include color: BLACK, material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hardness_rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL, center_hole_diameter: 1.500 INCHES NOMINAL IN, cross-sectional_height: 0.250 INCHES NOMINAL IN, cross-sectional_shape_style: O-RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-7386, 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
00804821
NSN: 5330-00-291-7386
FSC: 5330
CAGE: 22852 — SPALLA INC (USA)
SPECIFICATIONS
colorBLACK
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
center_hole_diameter1.500 INCHES NOMINAL IN
cross-sectional_height0.250 INCHES NOMINAL IN
cross-sectional_shape_styleO-RING
material_document_and_classificationMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-291-7386
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 00804821 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
•
CENTER HOLE DIAMETER: 1.500 INCHES NOMINAL IN
•
HARDNESS RATING: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
•
COLOR: BLACK
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CROSS-SECTIONAL HEIGHT: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.500 INCHES NOMINAL IN
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM OVERALL
COLORBLACK
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-15624 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
CROSS-SECTIONAL HEIGHT0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
80421Interchangeable
interchangeable cross-reference
interchangeable
80421-00Interchangeable
interchangeable cross-reference
interchangeable
10554038-21Interchangeable
interchangeable cross-reference
interchangeable
A2155Interchangeable
interchangeable cross-reference
interchangeable
3793-53REVBLINE9Interchangeable
interchangeable cross-reference
interchangeable
8991983-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 00804821?
00804821 is a PACKING,PREFORMED.
What parts can replace 00804821?
There are 18 known substitutes for 00804821: 80421, 80421-00, 10554038-21 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 00804821?
00804821 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-291-7386. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026