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Technical Data Sheet
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H438173 — COVER,ACCESS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H438173: COVER,ACCESS.

The COVER,ACCESS is a the manufacturer industrial component. Key specifications include special_features: COVER,CHAIN ACCESS FOR UNI-LOADER1845C. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-500-2530, 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
H438173
NSN: 5340-01-500-2530
FSC: 5340 — Hardware, Commercial
CAGE: 10988 — CNH INDUSTRIAL AMERICA LLC DBA CNH AMERICA (USA)
SPECIFICATIONS
special_featuresCOVER,CHAIN ACCESS FOR UNI-LOADER1845C
NSN5340-01-500-2530
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H438173 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESCOVER,CHAIN ACCESS FOR UNI-LOADER1845C
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
H435400Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H438173?
H438173 is a COVER,ACCESS.
What parts can replace H438173?
There is 1 known substitute for H438173: H435400. Substitute compatibility should be verified for your specific system.
What is the NSN for H438173?
H438173 is cataloged in the U.S. Government catalog under NSN 5340-01-500-2530. This indicates validated use in U.S. government and defense supply chains.
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