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MS27595-239 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS27595-239: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, peripheral_diameter: 3.864 INCHES MINIMUM AND 3.872 INCHES MAXIMUM IN, center_hole_diameter: 3.628 INCHES MINIMUM AND 3.632 INCHES MAXIMUM IN, cross-sectional_height: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR, material_document_and_classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-275-3371, 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
MS27595-239
NSN: 5330-00-275-3371
NIINs: 002753371, 012373890
FSC: 5330 — Packing and Gasket Materials
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
peripheral_diameter3.864 INCHES MINIMUM AND 3.872 INCHES MAXIMUM IN
center_hole_diameter3.628 INCHES MINIMUM AND 3.632 INCHES MAXIMUM IN
cross-sectional_height0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
material_document_and_classificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-275-3371
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS27595-239 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: 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 3.864 INCHES MINIMUM AND 3.872 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 3.628 INCHES MINIMUM AND 3.632 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER3.864 INCHES MINIMUM AND 3.872 INCHES MAXIMUM IN
CENTER HOLE DIAMETER3.628 INCHES MINIMUM AND 3.632 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
C860/3234 PC NO 11Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
4460860-0239Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ASC1565096Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS27595Reference document
Same NSN cross-reference
Reference document — Identification reference
S30989-239Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS27595-239?
MS27595-239 is a PACKING,PREFORMED.
What parts can replace MS27595-239?
There are 5 known substitutes for MS27595-239: C860/3234 PC NO 11, 4460860-0239, ASC1565096 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS27595-239?
MS27595-239 is cataloged in the U.S. Government catalog under NSN 5330-00-275-3371. This indicates validated use in U.S. government and defense supply chains.
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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.