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18840 — REGULATOR,VOLTAGE AND FREQUENCY

✓ Government record, cited
InLine · GATE VALVE
PRODUCT OVERVIEW

18840: REGULATOR,VOLTAGE AND FREQUENCY.

Fully mated RJ12 connectors for maximum compatibility: All six wires are connected - ideal for professional telephone, fax or modem solutions. Reliable signal transmission: Precisely manufactured modular plugs ensure a stable connection without signal loss. Plug-and-play solution: Pre-assembled with RJ12 plugs on both sides - for quick and error-free installation.

Suitable for structured cabling: Ideal for use in IT infrastructures with modular connections. Universally applicable: Suitable for many telecommunications devices with 6P6C connection - even in professional environments. The InLine® modular cable with two RJ12 plugs (6P6C) is a high-quality solution for the structured connection of telecommunications devices in professional environments.

With six fully occupied wires, the cable ensures that even complex signals such as those from system telephones or fax machines are transmitted correctly. The pre-assembled connectors ensure q This part is cataloged in the U.S. Government catalog under NSN 4820-00-057-9491, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
18840
NSN: 4820-00-057-9491
NIINs: 000579491, 000579493, 000633297, 008189881, 009877057, 011521912, 012734949
FSC: 4820 — Valves, Nonpowered
CAGE: 14959 — CRANE CO DIV VALVE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 316 SEAT
stem_typeNONRISING
valve_size2.000 INCHES IN
body_length0.532 INCHES MAXIMUM IN
bonnet_typeINSIDE SCREW
inclosure_typeFULLY INCLOSED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
special_features1.250 IN. PIPE SIZE;R.H. THD;11-1/2 THDS PER INCH IN
features_providedBONNET PACKING
precious_materialSILVER
nominal_thread_size2.000 INCHES IN
NSN4820-00-057-9491
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 18840 · InLine ⚠ 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
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.000 INCHES IN
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 350.0 FAHRENHEIT WATER-OIL-GAS DEGF
•
OPERATING PRESSURE AND TYPE: 200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
STEM TYPE: NONRISING
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTMST0316 ASSN STD SINGLE MATERIAL RESPONSE BODY
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED1.000 INCHES IN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED350.0 FAHRENHEIT WATER-OIL-GAS DEGF
OPERATING PRESSURE AND TYPE200.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPENONRISING
MATERIAL DOCUMENT AND CLASSIFICATIONASTMST0316 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONASTMST0316 ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTMST0316 ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONASTMST0316 ASSN STD SINGLE MATERIAL RESPONSE STEM
VALVE SIZE1.000 INCHES IN
SUBSTITUTES & CROSS-REFERENCES 6
1300-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
62100Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
18840-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
K1543Reference document
Same NSN cross-reference
Reference document — Secondary reference
A9979RMPC9979-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
1IN 101Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 18840?
18840 is a REGULATOR,VOLTAGE AND FREQUENCY manufactured by InLine.
What parts can replace 18840?
There are 6 known substitutes for 18840: 1300-1, 62100, 18840-1 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18840?
18840 is cataloged in the U.S. Government catalog under NSN 4820-00-057-9491. This indicates validated use in U.S. government and defense supply chains.
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