4AC — VALVE,CRANKCASE EXPLOSION RELIEF

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

4AC: VALVE,CRANKCASE EXPLOSION RELIEF.

VALVE,CRANKCASE EXPLOSION RELIEF. Key specifications include base_style: WIRE LEADS, DOWN, body_width: 1.625 INCHES NOMINAL IN, bulb_style: T (TUBULAR), body_height: 1.437 INCHES NOMINAL IN, body_length: 3.187 INCHES NOMINAL IN, current_rating: 14.000 AMPERES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 6240-00-027-9429, 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

4AC

NSN: 6240-00-027-9429
NIINs: 000279429, 002587829, 012090892, 013811249
FSC: 6240 — Electric Lamps
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)

SPECIFICATIONS

base_style	WIRE LEADS, DOWN
body_width	1.625 INCHES NOMINAL IN
bulb_style	T (TUBULAR)
body_height	1.437 INCHES NOMINAL IN
body_length	3.187 INCHES NOMINAL IN
current_rating	14.000 AMPERES NOMINAL
overall_length	0.844 INCHES MAXIMUM IN
bulb_designator	T-2
filling_gas_type	NEON
wire_lead_length	0.218 INCHES NOMINAL IN
rated_average_life	HOURS
nominal_thread_size	0.164 INCHES MOUNTING FACILITY HOLE IN
NSN	6240-00-027-9429

COMPONENT DIAGRAM

KEY FEATURES

•

FILLING GAS TYPE: NEON

•

BASE STYLE: WIRE LEADS, DOWN

•

RATED AVERAGE LIFE: HOURS

•

LIGHT INTENSITY LEVEL: NOT RATED

•

BULB DESIGNATOR: T-2

•

WIRE LEAD LENGTH: 0.218 INCHES NOMINAL IN

•

GAS STRIKING VOLTAGE RATING IN VOLTS AND CURRENT TYPE: 125.0 DC NOMINAL SINGLE VOLTAGE

TECHNICAL CHARACTERISTICS

FILLING GAS TYPE	NEON
BASE STYLE	WIRE LEADS, DOWN
RATED AVERAGE LIFE	HOURS
LIGHT INTENSITY LEVEL	NOT RATED
BULB DESIGNATOR	T-2
OVERALL LENGTH	0.844 INCHES MAXIMUM IN
WIRE LEAD LENGTH	0.218 INCHES NOMINAL IN
GAS STRIKING VOLTAGE RATING IN VOLTS AND CURRENT TYPE	125.0 DC NOMINAL SINGLE VOLTAGE
EMITTED LIGHT CHARACTERISTIC	WHITE
BULB STYLE	T (TUBULAR)

SUBSTITUTES & CROSS-REFERENCES 7

V113Reference document

Same NSN cross-reference

Reference document — Secondary reference

4AC(NE-97)Reference document

Same NSN cross-reference

Reference document — Secondary reference

A4C(NE-97)Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

NE97Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

277MS022P001Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

652634Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4AC?

4AC is a VALVE,CRANKCASE EXPLOSION RELIEF.

What parts can replace 4AC?

There are 7 known substitutes for 4AC: V113, 4AC(NE-97), A4C(NE-97) and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 4AC?

4AC is cataloged in the U.S. Government catalog under NSN 6240-00-027-9429. This indicates validated use in U.S. government and defense supply chains.

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4AC — VALVE,CRANKCASE EXPLOSION RELIEF

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