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Technical Data Sheet
PartsTable / COMPONENT / 19503
19503 ✓ Verified by PartsTable
Trefl · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The COVER,CAMOUFLAGE SCREENING is a Trefl industrial component. Key specifications include material: COTTON AND RUBBER NATURAL, overall_width: 2.0 INCHES NOMINAL IN, overall_length: 144.0 INCHES NOMINAL IN, special_features: COLOR- OBSESSION; MATERIAL: COTTON FABRIC WITH NATURAL RUBBER LATEX., part_name_assigned_by_controlling_agency: FABRIC WRAP, CAMO FORM REUSABLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-143-8790, 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
19503
NSN: 5330-00-143-8790
FSC: 5330
CAGE: 91587 — REXNORD INDUSTRIES, LLC DIV AEROSPACE SOLUTIONS DOWNERS GROVE (USA)
SPECIFICATIONS
materialCOTTON AND RUBBER NATURAL
overall_width2.0 INCHES NOMINAL IN
overall_length144.0 INCHES NOMINAL IN
special_featuresCOLOR- OBSESSION; MATERIAL: COTTON FABRIC WITH NATURAL RUBBER LATEX.
part_name_assigned_by_controlling_agencyFABRIC WRAP, CAMO FORM REUSABLE
NSN5330-00-143-8790
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 19503 MFR: Trefl ⚠ 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
•
SEAL WIDTH: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
SEALING ELEMENT STYLE: VERTICAL
•
CASE STYLE: RECESSED
TECHNICAL CHARACTERISTICS (FLIS)
SEAL WIDTH0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
SEALING ELEMENT STYLEVERTICAL
CASE STYLERECESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
19503Interchangeable
interchangeable cross-reference
interchangeable
26423Interchangeable
interchangeable cross-reference
interchangeable
M-33Interchangeable
interchangeable cross-reference
interchangeable
66988Interchangeable
Same NIIN cross-reference
interchangeable
752B0002CH14Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19503?
19503 is a COVER,CAMOUFLAGE SCREENING manufactured by Trefl.
What parts can replace 19503?
There are 5 known substitutes for 19503: 19503, 26423, M-33 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 19503?
19503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-143-8790. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026