PartsTable
Technical Data Sheet
40441-9 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

VALVE,REGULATING,FLUID PRESSURE. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, furnished_items: UNION NUT AND TAILPIECE W/GROOVES, special_features: SHOCK QUALITIFED IAW MIL-S-901, CL I, FIXTURE 4-A BY EXTENSION; VIBRATION QUALITIFED IAW MIL-STD-167B TY I BY EXTENSION, valve_stem_design: SINGLE SEAT, flow_control_device: DISK, FLAT, TOP AND BOTTOM GUIDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-379-0533, 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
40441-9
NSN: 5340-01-379-0533
FSC: 5340
CAGE: 55378 — TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
furnished_itemsUNION NUT AND TAILPIECE W/GROOVES
special_featuresSHOCK QUALITIFED IAW MIL-S-901, CL I, FIXTURE 4-A BY EXTENSION; VIBRATION QUALITIFED IAW MIL-STD-167B TY I BY EXTENSION
valve_stem_designSINGLE SEAT
flow_control_deviceDISK, FLAT, TOP AND BOTTOM GUIDED
valve_loading_methodSPRING
outlet_pressure_range5.0 TO 60.0 CAMERA MOUNT
end_connection_quantity2
end_item_identificationSUPPLY SYSTEM REPROCUREMENT
media_for_which_designedWATER, SALT
renewable_seat_ring_typeTHREADED
NSN5340-01-379-0533
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 40441-9 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
92101Interchangeable
interchangeable cross-reference
interchangeable
601Interchangeable
interchangeable cross-reference
interchangeable
45896Interchangeable
interchangeable cross-reference
interchangeable
03-0060-20Interchangeable
interchangeable cross-reference
interchangeable
876-14913-10Interchangeable
interchangeable cross-reference
interchangeable
6RC-20GF-0101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40441-9?
40441-9 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 40441-9?
There are 15 known substitutes for 40441-9: 92101, 601, 45896 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40441-9?
40441-9 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-379-0533. This indicates validated use in U.S. government and defense supply chains.
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