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Technical Data Sheet
PartsTable / COMPONENT / 5044-21
5044-21 ✓ 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 GASKET is a the manufacturer industrial component. Key specifications include color: BLACK SINGLE SIDE INSCRIPTION, width: 0.562 INCHES NOMINAL IN, length: 2.750 INCHES NOMINAL IN, material: PLASTIC MELAMINE, thickness: 0.031 INCHES NOMINAL IN, inscription: 1 2 3 4 5 6 7 8 9 LOCATION NOT OTHERWISE SPECIFIED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-254-6519, 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
5044-21
NSN: 5330-00-254-6519
FSC: 5330
CAGE: 02945 — AMERICAN STEEL WORKS INC (USA)
SPECIFICATIONS
colorBLACK SINGLE SIDE INSCRIPTION
width0.562 INCHES NOMINAL IN
length2.750 INCHES NOMINAL IN
materialPLASTIC MELAMINE
thickness0.031 INCHES NOMINAL IN
inscription1 2 3 4 5 6 7 8 9 LOCATION NOT OTHERWISE SPECIFIED
attachment_methodHOLE
basic_shape_styleRECTANGULAR
marking_designationINSIGNIA LOCATION NOT OTHERWISE SPECIFIED
fsc_application_dataSIGNS,ADVERTISING DISPLAYS,AND IDENTIFICATION PLATES
material_document_and_classificationMIL-P-15037, TYPE GME MIL SPEC SINGLE MATERIAL RESPONSE
NSN5330-00-254-6519
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5044-21 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: 0.094 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 4.250 INCHES NOMINAL IN
•
HARDNESS RATING: 65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
•
MATERIAL: RUBBER SYNTHETIC OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
OUTSIDE DIAMETER: 5.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
APERTURE DIAMETER4.250 INCHES NOMINAL IN
HARDNESS RATING65.0 SHORE DUROMETER A MINIMUM AND 75.0 SHORE DUROMETER A MAXIMUM OVERALL
MATERIALRUBBER SYNTHETIC OVERALL
STYLE DESIGNATORCIRCULAR
OUTSIDE DIAMETER5.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
PA3460Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
60-3829Interchangeable
interchangeable cross-reference
interchangeable
6240PL1337663Interchangeable
interchangeable cross-reference
interchangeable
CML620282Interchangeable
interchangeable cross-reference
interchangeable
RCL-B52-02182Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5044-21?
5044-21 is a GASKET.
What parts can replace 5044-21?
There are 22 known substitutes for 5044-21: PA3460, ASTM B221, 60-3829 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5044-21?
5044-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-254-6519. 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