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Technical Data Sheet
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48489 ✓ Verified by PartsTable
Disguise · 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,REGULATING,FLUID PRESSURE. Key specifications include special_features: NHA; PLUNGER PUMP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-201-8145, 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
48489
NSN: 4820-01-201-8145
FSC: 4820
CAGE: 86184 — GRISWOLD INDUSTRIES DBA CLA-VAL CO (USA)
SPECIFICATIONS
special_featuresNHA; PLUNGER PUMP
NSN4820-01-201-8145
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 48489 · Disguise ⚠ 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
•
FIRST END CONNECTION TYPE: PLAIN FACE FLANGE
•
FIRST END FLANGE OUTSIDE DIAMETER: 8.500 INCHES NOMINAL IN
•
FIRST END BOLT HOLE QUANTITY: 8
•
FIRST END FLANGE SHAPE STYLE: ROUND W/ BOLT HOLES
•
FIRST END BOLT HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
FIRST END FLANGE THICKNESS: 0.688 INCHES NOMINAL IN
•
BODY STYLE: STRAIGHT THRU
•
FIRST END STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END CONNECTION TYPEPLAIN FACE FLANGE
FIRST END FLANGE OUTSIDE DIAMETER8.500 INCHES NOMINAL IN
FIRST END BOLT HOLE QUANTITY8
FIRST END FLANGE SHAPE STYLEROUND W/ BOLT HOLES
FIRST END BOLT HOLE DIAMETER0.750 INCHES NOMINAL IN
FIRST END FLANGE THICKNESS0.688 INCHES NOMINAL IN
BODY STYLESTRAIGHT THRU
FIRST END STYLE DESIGNATORPLAIN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END BOLT CIRCLE DIAMETER7.000 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1901844Interchangeable
interchangeable cross-reference
interchangeable
7432-30FInterchangeable
interchangeable cross-reference
interchangeable
80040Interchangeable
interchangeable cross-reference
interchangeable
73-550Interchangeable
interchangeable cross-reference
interchangeable
MIL-S-9838 TY2Interchangeable
interchangeable cross-reference
interchangeable
10AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 48489?
48489 is a VALVE,REGULATING,FLUID PRESSURE manufactured by Disguise.
What parts can replace 48489?
There are 12 known substitutes for 48489: 1901844, 7432-30F, 80040 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 48489?
48489 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-201-8145. 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