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304741 — DISK,MASK INLET VALVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

304741: DISK,MASK INLET VALVE.

The DISK,MASK INLET VALVE is a the manufacturer industrial component. Key specifications include special_features: TROCAR TRAY INSERT B; EACH SLOT WILL HOLD INSTRUMENTS FOR THE UNIVERSAL TROCAR SYSTEM IN THE MAXILLOFACIAL SURGERY, end_item_identification: 6545-01-502-5227, ORAL-MAXILLOFACIAL SET, part_name_assigned_by_controlling_agency: TROCAR TRAY INSERT B MAXILLOFACIAL SURGERY SYSTEM. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-855-4975, 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
304741
NSN: 5340-00-855-4975
NIINs: 008554975, 012246336, 015161631
FSC: 5340 — Hardware, Commercial
CAGE: 98440 — SNYDER TANK CORP (USA)
SPECIFICATIONS
special_featuresTROCAR TRAY INSERT B; EACH SLOT WILL HOLD INSTRUMENTS FOR THE UNIVERSAL TROCAR SYSTEM IN THE MAXILLOFACIAL SURGERY
end_item_identification6545-01-502-5227, ORAL-MAXILLOFACIAL SET
part_name_assigned_by_controlling_agencyTROCAR TRAY INSERT B MAXILLOFACIAL SURGERY SYSTEM
NSN5340-00-855-4975
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 304741 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
384AReference 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 304741?
304741 is a DISK,MASK INLET VALVE.
What parts can replace 304741?
There is 1 known substitute for 304741: 384A. Substitute compatibility should be verified for your specific system.
What is the NSN for 304741?
304741 is cataloged in the U.S. Government catalog under NSN 5340-00-855-4975. 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.