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DL5-28 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

DL5-28: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, peripheral_diameter: 1.250 INCHES NOMINAL IN, center_hole_diameter: 0.750 INCHES NOMINAL IN, cross-sectional_height: 0.375 INCHES NOMINAL IN, cross-sectional_shape_style: U WITH O-RING, material_document_and_classification: MILTHANE FSCM 16583 MFR REF SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-057-4045, 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
DL5-28
NSN: 5330-00-057-4045
FSC: 5330 — Packing and Gasket Materials
CAGE: 16583 — GH BETTIS A GALVESTON-HOUSTON CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
peripheral_diameter1.250 INCHES NOMINAL IN
center_hole_diameter0.750 INCHES NOMINAL IN
cross-sectional_height0.375 INCHES NOMINAL IN
cross-sectional_shape_styleU WITH O-RING
material_document_and_classificationMILTHANE FSCM 16583 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN5330-00-057-4045
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: DL5-28 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 HEIGHT: 0.375 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MILTHANE FSCM 16583 MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: U WITH O-RING
•
PERIPHERAL DIAMETER: 1.250 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMILTHANE FSCM 16583 MFR REF SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEU WITH O-RING
PERIPHERAL DIAMETER1.250 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.750 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
210912Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DL5-28?
DL5-28 is a PACKING,PREFORMED.
What parts can replace DL5-28?
There is 1 known substitute for DL5-28: 210912. Substitute compatibility should be verified for your specific system.
What is the NSN for DL5-28?
DL5-28 is cataloged in the U.S. Government catalog under NSN 5330-00-057-4045. 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.