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6393997-1 — COVER,PROTECTIVE,DUST AND MOISTU

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

6393997-1: COVER,PROTECTIVE,DUST AND MOISTU.

COVER,PROTECTIVE,DUST AND MOISTU. Key specifications include material: TITANIUM ALLOY, special_features: LENGTH IS 2.690, length_under_shoulder: 1.013 INCHES NOMINAL IN, end_item_identification: MANIFOLD ASSEMBLY DOOR LATCH ASSY, open_end_inside_diameter: 1.380 INCHES NOMINAL IN, closed_end_overall_diameter: 1.380 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-503-9085, 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
6393997-1
NSN: 5340-01-503-9085
FSC: 5340 — Hardware, Commercial
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialTITANIUM ALLOY
special_featuresLENGTH IS 2.690
length_under_shoulder1.013 INCHES NOMINAL IN
end_item_identificationMANIFOLD ASSEMBLY DOOR LATCH ASSY
open_end_inside_diameter1.380 INCHES NOMINAL IN
closed_end_overall_diameter1.380 INCHES NOMINAL IN
NSN5340-01-503-9085
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 6393997-1 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
•
CLOSED END OVERALL DIAMETER: 1.380 INCHES NOMINAL IN
•
LENGTH UNDER SHOULDER: 1.013 INCHES NOMINAL IN
•
OPEN END INSIDE DIAMETER: 1.380 INCHES NOMINAL IN
•
MATERIAL: TITANIUM ALLOY
TECHNICAL CHARACTERISTICS
CLOSED END OVERALL DIAMETER1.380 INCHES NOMINAL IN
LENGTH UNDER SHOULDER1.013 INCHES NOMINAL IN
SPECIAL FEATURESLENGTH IS 2.690
OPEN END INSIDE DIAMETER1.380 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMANIFOLD ASSEMBLY DOOR LATCH ASSY
MATERIALTITANIUM ALLOY
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 2
639399-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6392757 FIND 2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 6393997-1?
6393997-1 is a COVER,PROTECTIVE,DUST AND MOISTU.
What parts can replace 6393997-1?
There are 2 known substitutes for 6393997-1: 639399-1, 6392757 FIND 2. Substitute compatibility should be verified for your specific system.
What is the NSN for 6393997-1?
6393997-1 is cataloged in the U.S. Government catalog under NSN 5340-01-503-9085. 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.