PartsTable
Technical Data Sheet
Download PDF

H4-66M — PLUG,PROTECTIVE,DUST AND MOISTUR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H4-66M: PLUG,PROTECTIVE,DUST AND MOISTUR.

PLUG,PROTECTIVE,DUST AND MOISTUR. This part is cataloged in the U.S. Government catalog under NSN 5340-01-381-6482, 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
H4-66M
NSN: 5340-01-381-6482
FSC: 5340 — Hardware, Commercial
CAGE: D8134 — PARKER HANNIFIN GMBH -GESCHAFTSBEREICH ERMETO- (DEU)
SPECIFICATIONS
Part NumberH4-66M
NSN5340-01-381-6482
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H4-66M 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 4
122518Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
95825K54Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5340PL1602695Reference document
Same NSN cross-reference
Reference document — Informative reference only
82.51220-0031Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy H4-66M?
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 H4-66M?
H4-66M is a PLUG,PROTECTIVE,DUST AND MOISTUR.
What parts can replace H4-66M?
There are 4 known substitutes for H4-66M: 122518, 95825K54, 5340PL1602695 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H4-66M?
H4-66M is cataloged in the U.S. Government catalog under NSN 5340-01-381-6482. 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 — H4-66M