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5331PL2123438 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5331PL2123438: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM, hardness_rating: 75.0 SHORE DUROMETER A NOMINAL, special_features: SELECTED ITEM; PREFORMED PACKING SHALL BE IN ACCORDANCE WITH REQUIREMENTS OF M83248/1 EXCEPT SELECT MATERIAL COLOR BROWN, center_hole_diameter: 1.594 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN, material_document_and_classification: MIL-R-83248/1 MIL SPEC SINGLE MATERIAL RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-533-0989, 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
5331PL2123438
NSN: 5331-01-533-0989
FSC: 5331 — O-ring
CAGE: 9009H — JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX (POL)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM
hardness_rating75.0 SHORE DUROMETER A NOMINAL
special_featuresSELECTED ITEM; PREFORMED PACKING SHALL BE IN ACCORDANCE WITH REQUIREMENTS OF M83248/1 EXCEPT SELECT MATERIAL COLOR BROWN
center_hole_diameter1.594 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-83248/1 MIL SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyPACKING, PREFORMED
NSN5331-01-533-0989
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5331PL2123438 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 HEIGHT: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
HARDNESS RATING: 75.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-83248/1 MIL SPEC SINGLE MATERIAL RESPONSE
•
COLOR: BROWN
•
CENTER HOLE DIAMETER: 1.594 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
HARDNESS RATING75.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-83248/1 MIL SPEC SINGLE MATERIAL RESPONSE
COLORBROWN
SPECIAL FEATURESSELECTED ITEM; PREFORMED PACKING SHALL BE IN ACCORDANCE WITH REQUIREMENTS OF M83248/1 EXCEPT SELECT MATERIAL COLOR BROWN
CENTER HOLE DIAMETER1.594 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPACKING, PREFORMED
MATERIALRUBBER FLUOROCARBON CLASS FPM
OTHER ITEMS IN FSC 5331 — O-ring
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5331-00-001-1971 5331-00-001-1979 5331-00-001-3904 5331-00-001-3905 5331-00-001-3906 5331-00-001-3908 5331-00-001-3923 5331-00-001-3924
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 5331PL2123438?
5331PL2123438 is a O-RING.
What is the NSN for 5331PL2123438?
5331PL2123438 is cataloged in the U.S. Government catalog under NSN 5331-01-533-0989. 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.