PartsTable
Technical Data Sheet
10-30440-1 ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

CONE AND ROLLERS,TAPERED ROLLER. Key specifications include seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A SECOND END A, connection_style: FLARELESS SECOND END, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND FIRST END, flow_control_device: POPPET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-135-5470, 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
10-30440-1
NSN: 4820-00-135-5470
FSC: 4820
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
thread_class3A SECOND END A
connection_styleFLARELESS SECOND END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND FIRST END
flow_control_devicePOPPET
nominal_thread_size0.562 INCHES SECOND END IN
thread_quantity_per_inch18 SECOND END
thread_series_designatorUNF FIRST END
nominal_outside_diameter_tube_accommodated0.625 INCHES FIRST END IN
NSN4820-00-135-5470
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 10-30440-1 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THREAD QUANTITY PER INCH: 18 SECOND END
CONNECTION STYLE: FLARELESS SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES FIRST END IN
SEAT ANGLE: 37.0 DEGREES FIRST END
THREAD SERIES DESIGNATOR: UNF FIRST END
NOMINAL THREAD SIZE: 0.562 INCHES SECOND END IN
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH18 SECOND END
CONNECTION STYLEFLARELESS SECOND END
THREAD QUANTITY PER INCH14 FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES SECOND END IN
SEAT ANGLE37.0 DEGREES FIRST END
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL THREAD SIZE0.562 INCHES SECOND END IN
CONNECTION STYLEFLARED (TUBE) FIRST END
FLOW CONTROL DEVICEPOPPET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
21633Interchangeable
interchangeable cross-reference
interchangeable
114618Interchangeable
interchangeable cross-reference
interchangeable
BEAX4GInterchangeable
interchangeable cross-reference
interchangeable
5EX13Interchangeable
interchangeable cross-reference
interchangeable
187599Interchangeable
interchangeable cross-reference
interchangeable
68450Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10-30440-1?
10-30440-1 is a CONE AND ROLLERS,TAPERED ROLLER.
What parts can replace 10-30440-1?
There are 14 known substitutes for 10-30440-1: 21633, 114618, BEAX4G and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10-30440-1?
10-30440-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-135-5470. This indicates validated use in U.S. government and defense supply chains.
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