M4540S — Technical Data Sheet

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— · COMPONENT

WHAT YOU NEED TO KNOW

Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel

Confirm exact part number — similar PNs may be different parts

PRODUCT OVERVIEW

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include end_item_identification: E.D. BULLARD COMPANY, SERIES M45.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 4240-01-421-3663, 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

M4540S

NSN: 4240-01-421-3663
FSC: 4240
CAGE: 09729 — E. D. BULLARD COMPANY DBA ED BULLARD CO (USA)

SPECIFICATIONS

special_features	SILICONE MASK; SMALL FULL FACE MASK; BREATHING TUBE WITH ADJUSTABLE FLOW CONTROL VALVE; CONTINUOUS FLOW/PRESSURE DEMAND; SOLE SOURCE REQUIRED BY STATUTE 6.302; NIOSH APPROVAL TC-19C-322 AND 321
end_item_identification	E.D. BULLARD COMPANY, SERIES M45
NSN	4240-01-421-3663

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS

SPECIAL FEATURES	SILICONE MASK; SMALL FULL FACE MASK; BREATHING TUBE WITH ADJUSTABLE FLOW CONTROL VALVE; CONTINUOUS FLOW/PRESSURE DEMAND; SOLE SOURCE REQUIRED BY STATUTE 6.302; NIOSH APPROVAL TC-19C-322 AND 321
END ITEM IDENTIFICATION	E.D. BULLARD COMPANY, SERIES M45

VERIFIED SUBSTITUTES & CROSS-REFERENCES 5

40SInterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

30LBGALVInterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

4008SDInterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

B107.500InterchangeableGOVERNMENT REGISTRY

interchangeable cross-reference

interchangeable

SPEC40SInterchangeableGOVERNMENT REGISTRY

Resistor,fixed,wire Wound

interchangeable

LIFECYCLE

StatusACTIVEGOVERNMENT REGISTRY

AvailabilityOEM and secondary market

RoHS CompliantEAR99Not HAZMAT

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FREQUENTLY ASKED QUESTIONS

What is M4540S?

M4540S is a RESISTOR,FIXED,WIRE WOUND.

What parts can replace M4540S?

There are 5 known substitutes for M4540S: 40S, 30LBGALV, 4008SD and 2 more. Substitute compatibility should be verified for your specific system.

What is the NSN for M4540S?

M4540S is cataloged in the Federal Logistics Information System under NSN 4240-01-421-3663. This indicates validated use in U.S. government and defense supply chains.

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M4540S — Technical Data Sheet

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