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1-A 1 1/2IN — Technical Data Sheet

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— · 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 VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: FIBER AND RUBBER BODY, body_style: BUTTON TYPE, W/MTG TABS, body_length: 0.070 INCHES NOMINAL IN, body_diameter: 0.447 INCHES NOMINAL IN, terminal_type: QUICK DISCONNECT, MALE, mounting_method: PLUG-IN TERMINAL(S). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-202-9456, 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
1-A 1 1/2IN
NSN: 4820-01-202-9456
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialFIBER AND RUBBER BODY
body_styleBUTTON TYPE, W/MTG TABS
body_length0.070 INCHES NOMINAL IN
belt_quantity2
body_diameter0.447 INCHES NOMINAL IN
terminal_typeQUICK DISCONNECT, MALE
mounting_methodPLUG-IN TERMINAL(S)
special_featuresTHERMOMETER, EXPOSED, MERCURY, RANGE -20 TO +120 DEG F DEGF
style_designatorDISC
cross-sectional_sizeC
nominal_pitch_length103.900 INCHES IN
reliability_indicatorNOT ESTABLISHED
NSN4820-01-202-9456
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1-A 1 1/2IN · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
C101-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
654-006-18A0-501JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
370CBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C101SET2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
8163956InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
7C-1012InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1-A 1 1/2IN?
1-A 1 1/2IN is a VALVE,SAFETY RELIEF.
What parts can replace 1-A 1 1/2IN?
There are 12 known substitutes for 1-A 1 1/2IN: C101-2, 654-006-18A0-501J, 370CB and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-A 1 1/2IN?
1-A 1 1/2IN is cataloged in the Federal Logistics Information System under NSN 4820-01-202-9456. 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: October 2026