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A48549 MFV — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

A48549 MFV: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include reference_number_differentiating_characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-167-9882, 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
A48549 MFV
NSN: 4820-01-167-9882
NIINs: 011679882, 012572371
FSC: 4820 — Valves, Nonpowered
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
reference_number_differentiating_characteristicsMAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION
NSN4820-01-167-9882
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A48549 MFV · 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
•
THREAD LENGTH: 1.062 INCHES NOMINAL SINGLE THREADED PORTION IN
•
STYLE DESIGNATOR: PLAIN THREADED
•
BODY INSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
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THREAD QUANTITY PER INCH: 14 SINGLE THREADED PORTION
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MATERIAL: NICKEL ALLOY 400 OVERALL
•
SEAT ANGLE IN DEG: 45.000 NOMINAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.688 INCHES NOMINAL IN
THREAD LENGTH1.062 INCHES NOMINAL SINGLE THREADED PORTION IN
STYLE DESIGNATORPLAIN THREADED
BODY INSIDE DIAMETER1.000 INCHES NOMINAL IN
THREAD CLASS2A SINGLE THREADED PORTION A
THREAD QUANTITY PER INCH14 SINGLE THREADED PORTION
MATERIALNICKEL ALLOY 400 OVERALL
SEAT ANGLE IN DEG45.000 NOMINAL
THREAD SERIES DESIGNATORUNS SINGLE THREADED PORTION
SEATING SURFACE SHAPEANGULAR
SUBSTITUTES & CROSS-REFERENCES 1
D49915 FIND 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A48549 MFV?
A48549 MFV is a SEAT,VALVE.
What parts can replace A48549 MFV?
There is 1 known substitute for A48549 MFV: D49915 FIND 6. Substitute compatibility should be verified for your specific system.
What is the NSN for A48549 MFV?
A48549 MFV is cataloged in the U.S. Government catalog under NSN 4820-01-167-9882. 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.