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MS28782-28 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

MS28782-28: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include angle: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM, material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, joint_type: SCARF-BUTT RETAINER, peripheral_diameter: 1.870 INCHES NOMINAL IN, center_hole_diameter: 1.500 INCHES NOMINAL IN, distance_between_ends: 0.062 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-171-5102, 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
MS28782-28
NSN: 5330-00-171-5102
NIINs: 001715102, 015494741
FSC: 5330 — Packing and Gasket Materials
CAGE: C1449 — BRUSS, G. GMBH & CO.KGDICHTUNGSTECHNIK (DEU)
SPECIFICATIONS
angle25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
joint_typeSCARF-BUTT RETAINER
peripheral_diameter1.870 INCHES NOMINAL IN
center_hole_diameter1.500 INCHES NOMINAL IN
distance_between_ends0.062 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
cross-sectional_height0.093 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
end_item_identificationVALVE, BALL, 2.500 IPS
cross-sectional_thickness0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE
departure_from_cited_documentCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
criticality_code_justificationZZZW
NSN5330-00-171-5102
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28782-28 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: 0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.093 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
•
ANGLE: 25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
•
PERIPHERAL DIAMETER: 1.868 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN
•
DISTANCE BETWEEN ENDS: 0.062 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.093 INCHES MINIMUM AND 0.108 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE
ANGLE25.0 DEGREES MINIMUM AND 35.0 DEGREES MAXIMUM
PERIPHERAL DIAMETER1.868 INCHES MINIMUM AND 1.872 INCHES MAXIMUM IN
DISTANCE BETWEEN ENDS0.062 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.500 INCHES NOMINAL IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-BUTT RETAINER
SUBSTITUTES & CROSS-REFERENCES 8
MS28782028Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
DH50E3208P0S18Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6002-148PC38Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MS28782Reference document
Same NSN cross-reference
Reference document — Identification reference
SAE-AS8791Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL1565453Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS28782-28?
MS28782-28 is a RETAINER,PACKING.
What parts can replace MS28782-28?
There are 8 known substitutes for MS28782-28: MS28782028, DH50E3208P0S18, 6002-148PC38 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MS28782-28?
MS28782-28 is cataloged in the U.S. Government catalog under NSN 5330-00-171-5102. 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.