MIL-W-7973 — WELDING MACHINE,RESISTANCE

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

MIL-W-7973: WELDING MACHINE,RESISTANCE.

The WELDING MACHINE,RESISTANCE is a the manufacturer industrial component. Key specifications include phase: THREE, unit_type: SPOT PRESS, throat_depth: 36.000 INCHES NOMINAL IN, current_rating: 75.0 AMPERES MINIMUM AND 150.0 AMPERES MAXIMUM, voltage_rating: 230.0 VOLTS MINIMUM AND 460.0 VOLTS MAXIMUM, frequency_rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 3432-00-961-3546, 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

MIL-W-7973

NSN: 3432-00-961-3546
NIINs: 009613546, 009684175, 012341160
FSC: 3432 — Electric Resistance Welding Equipment
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

phase	THREE
unit_type	SPOT PRESS
throat_depth	36.000 INCHES NOMINAL IN
current_rating	75.0 AMPERES MINIMUM AND 150.0 AMPERES MAXIMUM
voltage_rating	230.0 VOLTS MINIMUM AND 460.0 VOLTS MAXIMUM
frequency_rating	50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
operation_method	AIR OPERATED, FOOT CONTROLLED
heat_step_quantity	100
input_current_type	AC
kilovolt-ampere_rating	75.0 NOMINAL
furnished_items_and_quantity	MICRO PROCESSOR CONTROL
throat_maximum_vertical_clearance	8.000 INCHES IN
NSN	3432-00-961-3546

COMPONENT DIAGRAM

KEY FEATURES

•

PHASE: THREE

•

KILOVOLT-AMPERE RATING: 200.000 NOMINAL

•

INPUT CURRENT TYPE: AC

•

THROAT DEPTH: 60.000 INCHES NOMINAL IN

•

NONDEFINITIVE SPEC/STD DATA: B CLASS AND 4 SIZE

•

UNIT TYPE: SEAM

•

HEAT STEP QUANTITY: 10

•

THROAT MAXIMUM VERTICAL CLEARANCE: 4.000 INCHES IN

TECHNICAL CHARACTERISTICS

PHASE	THREE
KILOVOLT-AMPERE RATING	200.000 NOMINAL
INPUT CURRENT TYPE	AC
THROAT DEPTH	60.000 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA	B CLASS AND 4 SIZE
UNIT TYPE	SEAM
HEAT STEP QUANTITY	10
THROAT MAXIMUM VERTICAL CLEARANCE	4.000 INCHES IN
FREQUENCY RATING	60.0 HERTZ NOMINAL
CURRENT RATING	80000.0 AMPERES NOMINAL

SUBSTITUTES & CROSS-REFERENCES 1

3432-3211-5460Reference document

Same NSN cross-reference

Reference document — Informative reference only

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 MIL-W-7973?

MIL-W-7973 is a WELDING MACHINE,RESISTANCE.

What parts can replace MIL-W-7973?

There is 1 known substitute for MIL-W-7973: 3432-3211-5460. Substitute compatibility should be verified for your specific system.

What is the NSN for MIL-W-7973?

MIL-W-7973 is cataloged in the U.S. Government catalog under NSN 3432-00-961-3546. This indicates validated use in U.S. government and defense supply chains.

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