PartsTable
Technical Data Sheet
Download PDF

054203 — SEAT,VALVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

054203: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include special_features: SEAT ASSEMBLY FOR THERMO VALVE P/N 7383858-A306D0; REQUIRES SPECIAL CLEANING PACKAGING PER MIL-STD-13, end_item_identification: NEW CONSTRUCTION (SSN774);, criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-305-4229, 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
054203
NSN: 5331-01-305-4229
NIINs: 013054229, 014257843, 015503716
FSC: 5331 — O-ring
CAGE: 28951 — CLARKSON INDUSTRIES INC HOFFMAN AIR AND FILTRATION SYSTEMS DIV (USA)
SPECIFICATIONS
special_featuresSEAT ASSEMBLY FOR THERMO VALVE P/N 7383858-A306D0; REQUIRES SPECIAL CLEANING PACKAGING PER MIL-STD-13
end_item_identificationNEW CONSTRUCTION (SSN774);
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
NSN5331-01-305-4229
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 054203 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
34377-1 ITEM 34Reference 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
Ready to buy 054203?
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 054203?
054203 is a SEAT,VALVE.
What parts can replace 054203?
There is 1 known substitute for 054203: 34377-1 ITEM 34. Substitute compatibility should be verified for your specific system.
What is the NSN for 054203?
054203 is cataloged in the U.S. Government catalog under NSN 5331-01-305-4229. 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 — 054203