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42G149 — SWITCH,PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

42G149: SWITCH,PRESSURE.

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include material: STEEL BODY, flange_diameter: 7.308 INCHES MINIMUM AND 7.312 INCHES MAXIMUM IN, style_designator: PLAIN FLANGED, under_flange_height: 0.938 INCHES NOMINAL IN, body_inside_diameter: 5.500 INCHES MINIMUM AND 5.625 INCHES MAXIMUM IN, body_outside_diameter: 6.876 INCHES MINIMUM AND 6.877 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4810-00-343-8348, 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
42G149
NSN: 4810-00-343-8348
NIINs: 003438348, 009484563
FSC: 4810 — Valves, Powered
CAGE: 53553 — AMETEK INC SCHUTTE AND KOERTING DIV (USA)
SPECIFICATIONS
materialSTEEL BODY
flange_diameter7.308 INCHES MINIMUM AND 7.312 INCHES MAXIMUM IN
style_designatorPLAIN FLANGED
under_flange_height0.938 INCHES NOMINAL IN
body_inside_diameter5.500 INCHES MINIMUM AND 5.625 INCHES MAXIMUM IN
body_outside_diameter6.876 INCHES MINIMUM AND 6.877 INCHES MAXIMUM IN
seating_surface_shapeFLAT
flange_seat_to_disk_end_height0.813 INCHES NOMINAL IN
NSN4810-00-343-8348
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 42G149 · 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
•
FLANGE SEAT TO DISK END HEIGHT: 0.813 INCHES NOMINAL IN
•
FLANGE DIAMETER: 7.308 INCHES MINIMUM AND 7.312 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 6.876 INCHES MINIMUM AND 6.877 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: PLAIN FLANGED
•
BODY INSIDE DIAMETER: 5.500 INCHES MINIMUM AND 5.625 INCHES MAXIMUM IN
•
UNDER FLANGE HEIGHT: 0.938 INCHES NOMINAL IN
•
MATERIAL: STEEL BODY
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
FLANGE SEAT TO DISK END HEIGHT0.813 INCHES NOMINAL IN
FLANGE DIAMETER7.308 INCHES MINIMUM AND 7.312 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER6.876 INCHES MINIMUM AND 6.877 INCHES MAXIMUM IN
STYLE DESIGNATORPLAIN FLANGED
BODY INSIDE DIAMETER5.500 INCHES MINIMUM AND 5.625 INCHES MAXIMUM IN
UNDER FLANGE HEIGHT0.938 INCHES NOMINAL IN
MATERIALSTEEL BODY
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 4
8485029-43Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
43A10PC59Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
42A12PC59Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
43A58PC59Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 42G149?
42G149 is a SWITCH,PRESSURE.
What parts can replace 42G149?
There are 4 known substitutes for 42G149: 8485029-43, 43A10PC59, 42A12PC59 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 42G149?
42G149 is cataloged in the U.S. Government catalog under NSN 4810-00-343-8348. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.