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PartsTable / COMPONENT / A-49148
A-49148 ✓ 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

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include material: STEEL, overall_length: 4.500 INCHES NOMINAL 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 4820-00-060-8193, 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
A-49148
NSN: 4820-00-060-8193
FSC: 4820
CAGE: 15187 — EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM (USA)
SPECIFICATIONS
materialSTEEL
overall_length4.500 INCHES NOMINAL IN
special_features6.500 IN. DIA,0.875 IN. FLANGE THK,ONE END;6.250 IN. DIA,0.750 IN. FLANGE THK,5.062 IN. BOLT CIRCLE,4 HOLES 0.750 IN. DIA,OTHER END;600 PSI MAX IN
NSN4820-00-060-8193
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-49148 · 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
•
SEATING SURFACE SHAPE: ANGULAR
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FED STD 66,AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SEATING SURFACE SHAPEANGULAR
SEAT ANGLE IN DEG45.000 NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONFED STD 66,AISI 304/SAE 30304 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
A49148Interchangeable
interchangeable cross-reference
interchangeable
A49151Interchangeable
interchangeable cross-reference
interchangeable
HNBJInterchangeable
interchangeable cross-reference
interchangeable
A-49120 PIECE 37Interchangeable
interchangeable cross-reference
interchangeable
A-49120Interchangeable
interchangeable cross-reference
interchangeable
028062Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-49148?
A-49148 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace A-49148?
There are 15 known substitutes for A-49148: A49148, A49151, HNBJ and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A-49148?
A-49148 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-060-8193. 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