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Technical Data Sheet
PartsTable / COMPONENT / A2148
A2148 ✓ 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: COPPER ALLOY OVERALL, barrel_style: STRAIGHT ROUND TYPE, flange_style: FLANGE, barrel_height: 0.156 INCHES NOMINAL IN, hole_diameter: 0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_height: 0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. 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
A2148
NSN: 4820-00-354-4494
FSC: 4820
CAGE: 80900 — EATON CORP SPRING DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
barrel_styleSTRAIGHT ROUND TYPE
flange_styleFLANGE
barrel_height0.156 INCHES NOMINAL IN
hole_diameter0.406 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_height0.373 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM BODY
outside_diameter4.250 INCHES NOMINAL IN
special_featuresPINION GEAR END, TWELVE TEETH, 8.0 DEG PITCH, PITCH DIA 1.625 IN., 20.0 DEG PRESSURE ANGLE IN
style_designatorCIRCULAR WITH ONE PERIPHERAL FLAT
aperture_diameter2.812 INCHES NOMINAL IN
features_providedCENTER SHIELD
NSN4820-00-354-4494
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A2148 · 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 11
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 A2148?
A2148 is a SOCKET,PLUG-IN ELECTRONIC COMPON.
What parts can replace A2148?
There are 11 known substitutes for A2148: 1892344, 1881148, A2148 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A2148?
A2148 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