74890291 — SWITCH,PRESSURE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

74890291: SWITCH,PRESSURE.

The SWITCH,PRESSURE is a the manufacturer industrial component. Key specifications include thread_class: 2B ALL THREADED HOLE, overall_width: 3.440 INCHES NOMINAL IN, thread_length: 0.380 INCHES NOMINAL ALL THREADED HOLE IN, overall_length: 4.940 INCHES NOMINAL IN, inside_diameter: 0.515 INCHES NOMINAL SINGLE CONNECTION IN, mounting_method: THREADED HOLE(S). This part is cataloged in the U.S.

Government catalog under NSN 5930-01-064-2444, 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

74890291

NSN: 5930-01-064-2444
FSC: 5930 — Switches
CAGE: 0AHU0 — KALMAR AC INC (USA)

SPECIFICATIONS

thread_class	2B ALL THREADED HOLE
overall_width	3.440 INCHES NOMINAL IN
thread_length	0.380 INCHES NOMINAL ALL THREADED HOLE IN
overall_length	4.940 INCHES NOMINAL IN
inside_diameter	0.515 INCHES NOMINAL SINGLE CONNECTION IN
mounting_method	THREADED HOLE(S)
pressure_switch_type	GAGE
pressure_connector_type	SWIVEL NUT, INVERTED FLARE, THREADED EXTERNAL SINGLE CONNECTION
thread_quantity_per_inch	20 ALL THREADED HOLE
thread_series_designator	UNS ALL THREADED HOLE
mounting_facility_pattern	FOUR POSITION RECTANGULAR
longest_vertical_distance_between_mounting_centers	2.750 INCHES NOMINAL IN
NSN	5930-01-064-2444

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY PATTERN: FOUR POSITION RECTANGULAR

•

MOUNTING METHOD: THREADED HOLE(S)

•

THREAD LENGTH: 0.380 INCHES NOMINAL ALL THREADED HOLE IN

•

LONGEST VERTICAL DISTANCE BETWEEN MOUNTING CENTERS: 2.750 INCHES NOMINAL IN

•

PRESSURE SWITCH TYPE: GAGE

•

PRESSURE CONNECTOR TYPE: SWIVEL NUT, INVERTED FLARE, THREADED EXTERNAL SINGLE CONNECTION

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY PATTERN	FOUR POSITION RECTANGULAR
MOUNTING METHOD	THREADED HOLE(S)
THREAD LENGTH	0.380 INCHES NOMINAL ALL THREADED HOLE IN
LONGEST VERTICAL DISTANCE BETWEEN MOUNTING CENTERS	2.750 INCHES NOMINAL IN
OVERALL LENGTH	4.940 INCHES NOMINAL IN
OVERALL WIDTH	3.440 INCHES NOMINAL IN
PRESSURE SWITCH TYPE	GAGE
PRESSURE CONNECTOR TYPE	SWIVEL NUT, INVERTED FLARE, THREADED EXTERNAL SINGLE CONNECTION
INSIDE DIAMETER	0.515 INCHES NOMINAL SINGLE CONNECTION IN
THREAD CLASS	2B ALL THREADED HOLE

OTHER ITEMS IN FSC 5930 — Switches

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609

SUBSTITUTES & CROSS-REFERENCES 2

8963-CD2A-S6Reference document

Same NSN cross-reference

Reference document — Secondary reference

4880912Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 74890291?

74890291 is a SWITCH,PRESSURE.

What parts can replace 74890291?

There are 2 known substitutes for 74890291: 8963-CD2A-S6, 4880912. Substitute compatibility should be verified for your specific system.

What is the NSN for 74890291?

74890291 is cataloged in the U.S. Government catalog under NSN 5930-01-064-2444. This indicates validated use in U.S. government and defense supply chains.

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74890291 — SWITCH,PRESSURE

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