PartsTable
Technical Data Sheet
31498 ✓ Verified by PartsTable
Nathan · 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

Battersea features up to 16ft drop protection thanks to extra D3O® protection.<br>Our hardback, durable Battersea case can take on almost anything. This case provides extra protection with D3O® surrounding the frame and back plate. Flexible TPU sides with D3O® inside.

Extra D3O® for greater impact protection. Easy access to all ports. Wireless charging compatible.

Slim design.<br><br><b>Drop Protection<br></b>Take on anything that comes your way with confidence, knowing that you’ve got up to 16 feet (5 meters) of drop protection. D3O® – the same material used by the military and professional athletes—is the key component in our formidable phone protection.<br><br><b>Slim Design<br></b>Powerful protection doesn’t have to be bulky. The slim design of our cases allows your device to fit easily your pocket and also look sleek and stylish in your hand.

We use materials like polycarbonate, TPU (thermoplastic polyurethane), and the unrivaled D3O® material to create tough protection with a lig This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-148-6939, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
31498
NSN: 4820-01-148-6939
FSC: 4820
CAGE: 07270 — MOOG INC. DBA AMPAC-ISP CORP (USA)
SPECIFICATIONS
phaseTHREE SINGLE VOLTAGE
length44.750 INCHES MINIMUM AND 48.000 INCHES MAXIMUM IN
materialSTEEL CORROSION RESISTING OVERALL
body_styleTUBULAR, SCREW PLUG TYPE
seat_angle37.0 DEGREES ALL ENDS
bonnet_typeINSIDE SCREW
thread_class3A ALL ENDS A
heat_quantity1
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
terminal_length1.000 INCHES MAXIMUM IN
thread_quantity32 PER INCH STUD
connection_styleFLARED (TUBE) ALL ENDS
NSN4820-01-148-6939
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 31498 · Nathan ⚠ 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
BONNET TYPE: INSIDE SCREW
ADJUSTABLE PRESSURE RANGE: +0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
STYLE DESIGNATOR: STRAIGHT THRU
SEAT ANGLE: 37.0 DEGREES ALL ENDS
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
BONNET ATTACHMENT METHOD: THREADED
THREAD CLASS: 3A ALL ENDS A
TECHNICAL CHARACTERISTICS (FLIS)
BONNET TYPEINSIDE SCREW
ADJUSTABLE PRESSURE RANGE+0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS
SPECIAL FEATURESWITH SINTERED BREATHER
STYLE DESIGNATORSTRAIGHT THRU
SEAT ANGLE37.0 DEGREES ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
BONNET ATTACHMENT METHODTHREADED
THREAD CLASS3A ALL ENDS A
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
CONNECTION STYLEFLARED (TUBE) ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
895-28365 ITEM 11Interchangeable
interchangeable cross-reference
interchangeable
895-28365Interchangeable
interchangeable cross-reference
interchangeable
28923Interchangeable
interchangeable cross-reference
interchangeable
895-28365 ITEM 7Interchangeable
interchangeable cross-reference
interchangeable
28920Interchangeable
interchangeable cross-reference
interchangeable
28919Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31498?
31498 is a RELAY,ELECTROMAGNETIC manufactured by Nathan.
What parts can replace 31498?
There are 19 known substitutes for 31498: 895-28365 ITEM 11, 895-28365, 28923 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31498?
31498 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-148-6939. This indicates validated use in U.S. government and defense supply chains.
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