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21-121-3 — VALVE,BALL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21-121-3: VALVE,BALL.

The VALVE,BALL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 FLOW CONTROL DEVICE, bonnet_type: INSIDE SCREW, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, style_designator: STRAIGHT THRU, valve_operation_method: MANUAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-348-2541, 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
21-121-3
NSN: 5330-01-348-2541
NIINs: 013482541, 014219726
FSC: 5330 — Packing and Gasket Materials
CAGE: 53655 — AVOX SYSTEMS INC DBA AVOX SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 316 FLOW CONTROL DEVICE
bonnet_typeINSIDE SCREW
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
style_designatorSTRAIGHT THRU
valve_operation_methodMANUAL
end_item_identification170' PATROL COASTAL
bonnet_attachment_methodUNION
furnished_items_and_quantity1 HANDLE
nominal_outside_diameter_tube_accommodated1.500 INCHES ALL ENDS IN
NSN5330-01-348-2541
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21-121-3 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21-121-3?
21-121-3 is a VALVE,BALL.
What is the NSN for 21-121-3?
21-121-3 is cataloged in the U.S. Government catalog under NSN 5330-01-348-2541. This indicates validated use in U.S. government and defense supply chains.
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