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5400-41-4S — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5400-41-4S: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. Key specifications include material: STEEL, design_type: THREADED, overall_diameter: 0.630 INCHES NOMINAL IN, special_test_features: SPECIAL QUALITY CONTROL TESTING, criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-010-9848, 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
5400-41-4S
NSN: 5340-01-010-9848
NIINs: 010109848, 011616342
FSC: 5340 — Hardware, Commercial
CAGE: 00624 — EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION (USA)
SPECIFICATIONS
materialSTEEL
design_typeTHREADED
overall_diameter0.630 INCHES NOMINAL IN
special_test_featuresSPECIAL QUALITY CONTROL TESTING
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
NSN5340-01-010-9848
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5400-41-4S 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
SUBSTITUTES & CROSS-REFERENCES 1
5400-41-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 5400-41-4S?
5400-41-4S is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace 5400-41-4S?
There is 1 known substitute for 5400-41-4S: 5400-41-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 5400-41-4S?
5400-41-4S is cataloged in the U.S. Government catalog under NSN 5340-01-010-9848. 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.