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Technical Data Sheet
PartsTable / COMPONENT / 1404PC21
1404PC21 ✓ 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

The RECEIVING SET,COUNTERMEASURES is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flange_diameter: 2.748 INCHES NOMINAL IN, style_designator: THREADED FLANGED, under_flange_height: 0.364 INCHES NOMINAL IN, body_inside_diameter: 2.063 INCHES NOMINAL IN, seating_surface_shape: FLAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-824-0367, 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
1404PC21
NSN: 4820-00-824-0367
FSC: 4820
CAGE: 75545 — LAWLER MANUFACTURING COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flange_diameter2.748 INCHES NOMINAL IN
style_designatorTHREADED FLANGED
under_flange_height0.364 INCHES NOMINAL IN
body_inside_diameter2.063 INCHES NOMINAL IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.204 INCHES NOMINAL IN
NSN4820-00-824-0367
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1404PC21 · 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
•
BODY INSIDE DIAMETER: 2.063 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
SEATING SURFACE SHAPE: FLAT
•
FLANGE SEAT TO DISK END HEIGHT: 0.204 INCHES NOMINAL IN
•
UNDER FLANGE HEIGHT: 0.364 INCHES NOMINAL IN
•
STYLE DESIGNATOR: THREADED FLANGED
•
FLANGE DIAMETER: 2.748 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER2.063 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING OVERALL
SEATING SURFACE SHAPEFLAT
FLANGE SEAT TO DISK END HEIGHT0.204 INCHES NOMINAL IN
UNDER FLANGE HEIGHT0.364 INCHES NOMINAL IN
STYLE DESIGNATORTHREADED FLANGED
FLANGE DIAMETER2.748 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
C600012901Interchangeable
interchangeable cross-reference
interchangeable
R925-20Interchangeable
interchangeable cross-reference
interchangeable
2222-20Interchangeable
interchangeable cross-reference
interchangeable
8528575Interchangeable
interchangeable cross-reference
interchangeable
1669BInterchangeable
interchangeable cross-reference
interchangeable
Z2131Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1404PC21?
1404PC21 is a RECEIVING SET,COUNTERMEASURES.
What parts can replace 1404PC21?
There are 16 known substitutes for 1404PC21: C600012901, R925-20, 2222-20 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1404PC21?
1404PC21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-824-0367. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026