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SPEC35S ✓ Verified by PartsTable
— · 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 FUSE,INDICATOR ALARM 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 (FLIS) under NSN 4240-01-421-3665, 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
SPEC35S
NSN: 4240-01-421-3665
FSC: 4240
CAGE: 09729 — E. D. BULLARD COMPANY DBA ED BULLARD CO (USA)
SPECIFICATIONS
special_featuresSMALL FULL FACE MASK; B135 BREATHING TUBE ASSEMBLY WITH CONSTANT FLOW VALVE; CONTINUOUS FLOW/PRESSURE DEMAND; SOLE SOURCE REQUIRED BY STATUTE 6.302; NIOSH APPROVAL TC-19C-322 AND 321
end_item_identificationE.D. BULLARD COMPANY; SERIES M45
NSN4240-01-421-3665
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available FUSE,INDICATOR ALARM TITLE COMPONENT PN SPEC35S MFR FUSE,INDICATOR ALARM
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESSMALL FULL FACE MASK; B135 BREATHING TUBE ASSEMBLY WITH CONSTANT FLOW VALVE; CONTINUOUS FLOW/PRESSURE DEMAND; SOLE SOURCE REQUIRED BY STATUTE 6.302; NIOSH APPROVAL TC-19C-322 AND 321
END ITEM IDENTIFICATIONE.D. BULLARD COMPANY; SERIES M45
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
B2347Interchangeable
interchangeable cross-reference
interchangeable
X-80-CHInterchangeable
interchangeable cross-reference
interchangeable
5819Interchangeable
interchangeable cross-reference
interchangeable
RS7035XR5AWP17DInterchangeable
interchangeable cross-reference
interchangeable
RS70352D5JInterchangeable
interchangeable cross-reference
interchangeable
35S3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SPEC35S?
SPEC35S is a FUSE,INDICATOR ALARM.
What parts can replace SPEC35S?
There are 14 known substitutes for SPEC35S: B2347, X-80-CH, 5819 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SPEC35S?
SPEC35S is cataloged in the Federal Logistics Information System (FLIS) under NSN 4240-01-421-3665. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026