PartsTable
Technical Data Sheet
Download PDF

5400-S8-8 — CAP,PROTECTIVE,DUST AND MOISTURE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5400-S8-8: CAP,PROTECTIVE,DUST AND MOISTURE.

CAP,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: STEEL, design_type: THREADED, thread_class: 2A A, thread_size_and_series/type_designator: 1-20 UNEF. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-051-4682, 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-S8-8
NSN: 5340-00-051-4682
NIINs: 000514682, 006139866, 012018912
FSC: 5340 — Hardware, Commercial
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL
design_typeTHREADED
thread_class2A A
thread_size_and_series/type_designator1-20 UNEF
NSN5340-00-051-4682
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5400-S8-8 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
•
SPECIAL TEST FEATURES: TESTED IAW MIL-Q-9858
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY SPECIAL TEST FEATURES
TECHNICAL CHARACTERISTICS
SPECIAL TEST FEATURESTESTED IAW MIL-Q-9858
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY SPECIAL TEST FEATURES
SUBSTITUTES & CROSS-REFERENCES 3
C5400S8-8BReference document
Same NSN cross-reference
Reference document — Secondary reference
N9-845-193PC1Reference document
Same NSN cross-reference
Reference document — Secondary reference
6050-223PC101Same 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
Ready to buy 5400-S8-8?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 5400-S8-8?
5400-S8-8 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 5400-S8-8?
There are 3 known substitutes for 5400-S8-8: C5400S8-8B, N9-845-193PC1, 6050-223PC101. Substitute compatibility should be verified for your specific system.
What is the NSN for 5400-S8-8?
5400-S8-8 is cataloged in the U.S. Government catalog under NSN 5340-00-051-4682. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 5400-S8-8

✓ 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.