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ORAR00239-N7038 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ORAR00239-N7038: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, temp_rating: 250.0 FAHRENHEIT DEGF, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL, center_hole_diameter: 3.609 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, cross-sectional_shape_style: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-006-2772, 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
ORAR00239-N7038
NSN: 5330-01-006-2772
FSC: 5330 — Packing and Gasket Materials
CAGE: D7040 — TRELLEBORG SEALING SOLUTIONS GERMANY GMBH (DEU)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
temp_rating250.0 FAHRENHEIT DEGF
hardness_rating70.0 SHORE DUROMETER A NOMINAL OVERALL
center_hole_diameter3.609 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
cross-sectional_shape_styleO-RING
material_document_and_classificationMIL-G-21569 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-006-2772
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ORAR00239-N7038 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: 250.0 FAHRENHEIT DEGF
•
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-21569 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: O-RING
•
CENTER HOLE DIAMETER: 3.609 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
TEMP RATING250.0 FAHRENHEIT DEGF
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-21569 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEO-RING
CENTER HOLE DIAMETER3.609 INCHES NOMINAL IN
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
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 2
239-8307Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
239-830-70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ORAR00239-N7038?
ORAR00239-N7038 is a PACKING,PREFORMED.
What parts can replace ORAR00239-N7038?
There are 2 known substitutes for ORAR00239-N7038: 239-8307, 239-830-70. Substitute compatibility should be verified for your specific system.
What is the NSN for ORAR00239-N7038?
ORAR00239-N7038 is cataloged in the U.S. Government catalog under NSN 5330-01-006-2772. 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.