PartsTable
Technical Data Sheet
Download PDF

18201A — SWITCH,PRESSURE

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

18201A: SWITCH,PRESSURE.

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include head_style: FLAT, slot_width: 0.1580 INCHES MINIMUM AND 0.1620 INCHES MAXIMUM IN, stem_style: SLOTTED, head_height: 0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, neck_radius: 0.4375 INCHES NOMINAL IN, slot_length: 0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-253-5176, 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
MRO→ MRO_GENERAL→ 18201A
NSN: 5930-00-253-5176
NIINs: 002535176, 005179911
FSC: 5930 — Switches
CAGE: 85274 — DWYER INSTRUMENTS INC (USA)
SPECIFICATIONS
head_styleFLAT
slot_width0.1580 INCHES MINIMUM AND 0.1620 INCHES MAXIMUM IN
stem_styleSLOTTED
head_height0.1875 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
neck_radius0.4375 INCHES NOMINAL IN
slot_length0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN
slot_radius0.0790 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN
stem_length5.7031 INCHES NOMINAL IN
overall_width4.060 INCHES NOMINAL IN
stem_diameter0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN
terminal_typeSCREW
chamfer_length0.0312 INCHES NOMINAL IN
NSN5930-00-253-5176
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PRESSURE TITLE COMPONENT PN 18201A MFR SWITCH,PRESSURE
KEY FEATURES
•
CONTACT ACTION STIMULUS: INCREASE
•
TERMINAL TYPE: SCREW
•
CONTACT LOAD CURRENT RATING: 100.0 MILLIAMPERES INDUCTIVE LOAD SINGLE VOLTAGE
•
MOUNTING METHOD: THREADED STUD(S)
•
CONTACT ADJUSTMENT RANGE: +0.20 TO 1.00 ACTUATION POINT INCHES OF WATER
•
STYLE DESIGNATOR: CYLINDRICAL W/MOUNTING LUGS
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.880 INCHES NOMINAL IN
CONTACT ACTION STIMULUSINCREASE
TERMINAL TYPESCREW
CONTACT LOAD CURRENT RATING100.0 MILLIAMPERES INDUCTIVE LOAD SINGLE VOLTAGE
MOUNTING METHODTHREADED STUD(S)
CONTACT ADJUSTMENT RANGE+0.20 TO 1.00 ACTUATION POINT INCHES OF WATER
STYLE DESIGNATORCYLINDRICAL W/MOUNTING LUGS
OVERALL LENGTH4.060 INCHES NOMINAL IN
OVERALL WIDTH4.060 INCHES NOMINAL IN
PRESSURE SWITCH TYPEDIFFERENTIAL
SUBSTITUTES & CROSS-REFERENCES 1
990C639H01Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
Ready to buy 18201A?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 18201A?
18201A is a SWITCH,PRESSURE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 18201A?
There is 1 known substitute for 18201A: 990C639H01. Substitute compatibility should be verified for your specific system.
What is the NSN for 18201A?
18201A is cataloged in the U.S. Government catalog under NSN 5930-00-253-5176. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 18201A

✓ 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.