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Technical Data Sheet
PartsTable / COMPONENT / 1A74592A
1A74592A ✓ 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

SOCKET,PLUG-IN ELECTRONIC COMPON. Key specifications include material: STEEL OR COBALT ALLOY BODY, overall_height: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, hardness_rating: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM BODY, special_features: COUNTERBORED OPPOSITE SEAT END 1.406 IN. DIA BY 0.062 IN.

DEEP IN, style_designator: PLAIN, seat_angle_in_deg: 45.000 NOMINAL. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-354-4494, 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
1A74592A
NSN: 4820-00-354-4494
FSC: 4820
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialSTEEL OR COBALT ALLOY BODY
overall_height0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM BODY
special_featuresCOUNTERBORED OPPOSITE SEAT END 1.406 IN. DIA BY 0.062 IN. DEEP IN
style_designatorPLAIN
seat_angle_in_deg45.000 NOMINAL
body_inside_diameter1.375 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
body_outside_diameter1.754 INCHES NOMINAL IN
seating_surface_shapeANGULAR
NSN4820-00-354-4494
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1A74592A · 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 OUTSIDE DIAMETER: 1.754 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 1.375 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM BODY
•
STYLE DESIGNATOR: PLAIN
•
SEATING SURFACE SHAPE: ANGULAR
•
MATERIAL: STEEL OR COBALT ALLOY BODY
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER1.754 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.375 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM BODY
SPECIAL FEATURESCOUNTERBORED OPPOSITE SEAT END 1.406 IN. DIA BY 0.062 IN. DEEP IN
STYLE DESIGNATORPLAIN
SEATING SURFACE SHAPEANGULAR
OVERALL HEIGHT0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
MATERIALSTEEL OR COBALT ALLOY BODY
SEAT ANGLE IN DEG45.000 NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
1892344Interchangeable
interchangeable cross-reference
interchangeable
1881148Interchangeable
interchangeable cross-reference
interchangeable
A2148Interchangeable
interchangeable cross-reference
interchangeable
282-1097P2Interchangeable
interchangeable cross-reference
interchangeable
402656-3Interchangeable
interchangeable cross-reference
interchangeable
8597436-004Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A74592A?
1A74592A is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace 1A74592A?
There are 10 known substitutes for 1A74592A: 1892344, 1881148, A2148 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A74592A?
1A74592A is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-354-4494. 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