PartsTable
Technical Data Sheet
Download PDF

1028431 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
3M · ORING SEAL
PRODUCT OVERVIEW

1028431: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: RUBBER SYNTHETIC, design_type: FRICTION, overall_diameter: 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN, inside_diameter_length: 0.737 INCHES MINIMUM AND 0.837 INCHES MAXIMUM IN, material_document_and_classification: ASTM D2000, -3BC715A14B14C122 ASSN STD SINGLE MATERIAL RESPONSE, tube_outside_diameter_for_which_designed: 1.100 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-291-0919, 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
1028431
NSN: 5340-01-291-0919
FSC: 5340 — Hardware, Commercial
CAGE: 3B150 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
design_typeFRICTION
overall_diameter1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN
inside_diameter_length0.737 INCHES MINIMUM AND 0.837 INCHES MAXIMUM IN
material_document_and_classificationASTM D2000, -3BC715A14B14C122 ASSN STD SINGLE MATERIAL RESPONSE
tube_outside_diameter_for_which_designed1.100 INCHES NOMINAL IN
NSN5340-01-291-0919
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1028431 MFR: 3M ⚠ 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
•
DESIGN TYPE: FRICTION
•
OVERALL DIAMETER: 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 1.100 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM D2000, -3BC715A14B14C122 ASSN STD SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER SYNTHETIC
•
INSIDE DIAMETER LENGTH: 0.737 INCHES MINIMUM AND 0.837 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DESIGN TYPEFRICTION
OVERALL DIAMETER1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED1.100 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D2000, -3BC715A14B14C122 ASSN STD SINGLE MATERIAL RESPONSE
MATERIALRUBBER SYNTHETIC
INSIDE DIAMETER LENGTH0.737 INCHES MINIMUM AND 0.837 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
1028431-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 1028431?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1028431?
1028431 is a CAP,PROTECTIVE,DUST AND MOISTURE manufactured by 3M.
What parts can replace 1028431?
There is 1 known substitute for 1028431: 1028431-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1028431?
1028431 is cataloged in the U.S. Government catalog under NSN 5340-01-291-0919. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1028431

✓ 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.