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Technical Data Sheet
19939 ✓ Verified by PartsTable
Trust · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

Can easily be cut to fit any smartphone or tablet up to 8”. Removable, printed grid with most common screen sizes. High strength, ultra clear material.

Anti-static and washable surface. Easy to apply without air bubbles. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-374-7335, 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
MRO MRO_GENERAL 19939
NSN: 5340-00-374-7335
FSC: 5340
CAGE: 92878 — HDT EXPEDITIONARY SYSTEMS INC (USA)
SPECIFICATIONS
end_item_nameFLUID FILTER
end_item_source51440
end_item_identificationMODEL A15/80
NSN5340-00-374-7335
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 19939 MFR: Trust ⚠ 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
HOLE DIAMETER: 0.406 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE: FLAT
MOUNTING OPENING SHAPE STYLE: UNTHREADED HOLE
PERIPHERAL SHAPE STYLE: ROUND, MULTI HOLES
SECURING DEVICE TYPE: THREADED FASTENER
OUTSIDE DIAMETER: 6.433 INCHES NOMINAL IN
MATERIAL: IRON CAST
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER0.406 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLAT
MOUNTING OPENING SHAPE STYLEUNTHREADED HOLE
PERIPHERAL SHAPE STYLEROUND, MULTI HOLES
SECURING DEVICE TYPETHREADED FASTENER
OUTSIDE DIAMETER6.433 INCHES NOMINAL IN
SPECIAL FEATURES7/8-9 UNC TAP THROUGH CENTER OF COVER,0.282 IN. W BY 0.062 IN. DEEP BY 1.938 IN. OD GROVE CENTERED IN. COVER IN
MATERIALIRON CAST
BOLT CIRCLE DIAMETER5.625 INCHES NOMINAL IN
BODY THICKNESS0.312 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
19939Interchangeable
interchangeable cross-reference
interchangeable
19939-9DIGInterchangeable
interchangeable cross-reference
interchangeable
H5582Interchangeable
interchangeable cross-reference
interchangeable
48-15021Interchangeable
interchangeable cross-reference
interchangeable
EW7197Interchangeable
interchangeable cross-reference
interchangeable
17512Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 19939?
19939 is a CYLINDER HEAD,DIESEL ENGINE manufactured by Trust. It is classified as a MRO (MRO_GENERAL).
What parts can replace 19939?
There are 18 known substitutes for 19939: 19939, 19939-9DIG, H5582 and 15 more. Substitute compatibility should be verified for your specific system.
Is 19939 still available?
19939 is currently cancelled.
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