PartsTable
Technical Data Sheet
Download PDF

410-21BL1 — SWITCH,PRESSURE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

410-21BL1: SWITCH,PRESSURE.

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include body_diameter: 4.063 INCHES NOMINAL IN, terminal_type: CONNECTOR, RECEPTACLE, overall_height: 3.438 INCHES NOMINAL IN, overall_length: 4.125 INCHES MAXIMUM IN, proof_pressure: 400.00 POUNDS PER SQUARE INCH GAGE LBS, mounting_method: BRACKET(S). This part is cataloged in the U.S.

Government catalog under NSN 5930-00-548-8059, 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
410-21BL1
NSN: 5930-00-548-8059
FSC: 5930 — Switches
CAGE: 89326 — BARKSDALE, INC (USA)
SPECIFICATIONS
body_diameter4.063 INCHES NOMINAL IN
terminal_typeCONNECTOR, RECEPTACLE
overall_height3.438 INCHES NOMINAL IN
overall_length4.125 INCHES MAXIMUM IN
proof_pressure400.00 POUNDS PER SQUARE INCH GAGE LBS
mounting_methodBRACKET(S)
overall_diameter3.000 INCHES NOMINAL IN
style_designatorCYLINDRICAL
width_across_flats0.125 INCHES NOMINAL IN
nominal_thread_size0.125 INCHES SINGLE PRESSURE CONNECTION IN
pressure_switch_typeGAGE
contact_adjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
NSN5930-00-548-8059
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PRESSURE TITLE COMPONENT PN 410-21BL1 MFR SWITCH,PRESSURE
KEY FEATURES
•
BODY DIAMETER: 4.063 INCHES NOMINAL IN
•
WIDTH ACROSS FLATS: 0.125 INCHES NOMINAL IN
•
CONTACT ACTION STIMULUS: INCREASE
•
TERMINAL TYPE: CONNECTOR, RECEPTACLE
•
MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR
•
OVERALL DIAMETER: 3.000 INCHES NOMINAL IN
•
PROOF PRESSURE: 400.00 POUNDS PER SQUARE INCH GAGE LBS
TECHNICAL CHARACTERISTICS
BODY DIAMETER4.063 INCHES NOMINAL IN
OVERALL HEIGHT3.438 INCHES NOMINAL IN
WIDTH ACROSS FLATS0.125 INCHES NOMINAL IN
CONTACT ACTION STIMULUSINCREASE
TERMINAL TYPECONNECTOR, RECEPTACLE
MOUNTING FACILITY PATTERNFOUR POSITION RECTANGULAR
OVERALL DIAMETER3.000 INCHES NOMINAL IN
PROOF PRESSURE400.00 POUNDS PER SQUARE INCH GAGE LBS
CONTACT LOAD CURRENT RATING1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE
MOUNTING METHODBRACKET(S)
SUBSTITUTES & CROSS-REFERENCES 3
8000879Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8020030Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8597-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
Ready to buy 410-21BL1?
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 410-21BL1?
410-21BL1 is a SWITCH,PRESSURE.
What parts can replace 410-21BL1?
There are 3 known substitutes for 410-21BL1: 8000879, 8020030, 8597-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 410-21BL1?
410-21BL1 is cataloged in the U.S. Government catalog under NSN 5930-00-548-8059. 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 — 410-21BL1

✓ 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.