639AS1271 — SWITCH,REED

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

639AS1271: SWITCH,REED.

The SWITCH,REED is a the manufacturer industrial component. Key specifications include overall_width: 0.875 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, terminal_type_and_quantity: 2 TAB, SOLDER LUG, nonpile-up_contact_arrangement: 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT, maximum_voltage_rating_in_volts: 100.0 DC, contact_load_current_rating_at_maximum_rated_voltage: 250.000 MILLIAMPERES RESISTIVE DC. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-043-1979, 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

639AS1271

NSN: 5930-01-043-1979
FSC: 5930 — Switches
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)

SPECIFICATIONS

overall_width	0.875 INCHES NOMINAL IN
overall_length	2.000 INCHES NOMINAL IN
terminal_type_and_quantity	2 TAB, SOLDER LUG
nonpile-up_contact_arrangement	1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts	100.0 DC
contact_load_current_rating_at_maximum_rated_voltage	250.000 MILLIAMPERES RESISTIVE DC
NSN	5930-01-043-1979

COMPONENT DIAGRAM

KEY FEATURES

•

NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT

•

MAXIMUM VOLTAGE RATING IN VOLTS: 100.0 DC

•

TERMINAL TYPE AND QUANTITY: 2 TAB, SOLDER LUG

•

CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 250.000 MILLIAMPERES RESISTIVE DC

TECHNICAL CHARACTERISTICS

OVERALL LENGTH	2.000 INCHES NOMINAL IN
OVERALL WIDTH	0.875 INCHES NOMINAL IN
NONPILE-UP CONTACT ARRANGEMENT	1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
MAXIMUM VOLTAGE RATING IN VOLTS	100.0 DC
TERMINAL TYPE AND QUANTITY	2 TAB, SOLDER LUG
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE	250.000 MILLIAMPERES RESISTIVE DC

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

10154309Reference document

Same NSN cross-reference

Reference document — Informative reference only

RAS-90Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)Demilitarization required — mutilation

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FREQUENTLY ASKED QUESTIONS

What is 639AS1271?

639AS1271 is a SWITCH,REED.

What parts can replace 639AS1271?

There are 2 known substitutes for 639AS1271: 10154309, RAS-90. Substitute compatibility should be verified for your specific system.

What is the NSN for 639AS1271?

639AS1271 is cataloged in the U.S. Government catalog under NSN 5930-01-043-1979. This indicates validated use in U.S. government and defense supply chains.

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