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Technical Data Sheet
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399039-F — DETENT,SWITCH

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

399039-F: DETENT,SWITCH.

The DETENT,SWITCH is a the manufacturer industrial component. Key specifications include nominal_size: 0.250 INCHES FRONT END IN, bushing_length: 0.375 INCHES NOMINAL IN, overall_length: 1.250 INCHES NOMINAL IN, mounting_method: BUSHING, bushing_diameter: 0.375 INCHES NOMINAL IN, overall_diameter: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-020-8942, 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
399039-F
NSN: 5930-01-020-8942
FSC: 5930 — Switches
CAGE: 76854 — ELECTRO SWITCH CORP. DBA OAK GRISGSBY DIV ELECTROSWITCH (USA)
SPECIFICATIONS
nominal_size0.250 INCHES FRONT END IN
bushing_length0.375 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
mounting_methodBUSHING
bushing_diameter0.375 INCHES NOMINAL IN
overall_diameter1.250 INCHES NOMINAL IN
stop_adjustabilityADJUSTABLE
stop_adjustment_range+1.0 TO 12.0
switch_position_quantity12
mounting_threads_per_inch32
positioning_increments_in_deg30.0
distance_from_shaft_end_to_mounting_surface0.875 INCHES IN
NSN5930-01-020-8942
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available DETENT,SWITCH TITLE COMPONENT PN 399039-F MFR DETENT,SWITCH
KEY FEATURES
•
BUSHING LENGTH: 0.375 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.250 INCHES NOMINAL IN
•
STOP ADJUSTMENT RANGE: +1.0 TO 12.0
•
MOUNTING METHOD: BUSHING
•
SWITCH POSITION QUANTITY: 12
•
STOP ADJUSTABILITY: ADJUSTABLE
•
BUSHING DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.375 INCHES NOMINAL IN
OVERALL DIAMETER1.250 INCHES NOMINAL IN
STOP ADJUSTMENT RANGE+1.0 TO 12.0
MOUNTING METHODBUSHING
SWITCH POSITION QUANTITY12
OVERALL LENGTH1.250 INCHES NOMINAL IN
STOP ADJUSTABILITYADJUSTABLE
BUSHING DIAMETER0.375 INCHES NOMINAL IN
POSITIONING INCREMENTS IN DEG30.0
MOUNTING THREADS PER INCH32
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 399039-F?
399039-F is a DETENT,SWITCH.
What is the NSN for 399039-F?
399039-F is cataloged in the U.S. Government catalog under NSN 5930-01-020-8942. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.