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B-632 — SPACER,RING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B-632: SPACER,RING.

The SPACER,RING is a the manufacturer industrial component. Key specifications include material: UNABLE TO DECODE, base_style: RECESSED SINGLE CONTACT, bulb_style: T (TUBULAR), adhesive_type: PRESSURE SENSITIVE, nominal_width: 0.750 INCHES IN, nominal_length: 648.0 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 6240-00-057-6307, 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
B-632
NSN: 6240-00-057-6307
NIINs: 000576307, 011672606, 014232140
FSC: 6240 — Electric Lamps
CAGE: 01643 — LEVITON MANUFACTURING CO., INC. DBA LEVITON LIGHTING CONTROLS DIVISION (USA)
SPECIFICATIONS
materialUNABLE TO DECODE
base_styleRECESSED SINGLE CONTACT
bulb_styleT (TUBULAR)
adhesive_typePRESSURE SENSITIVE
nominal_width0.750 INCHES IN
nominal_length648.0 INCHES IN
overall_length3.062 INCHES MAXIMUM IN
voltage_rating120.000 VOLTS NOMINAL
wattage_rating650.000 WATTS
bulb_designatorT-4
adhesive_locationONE SIDE
features_providedHEAT RESISTANT GLASS
NSN6240-00-057-6307
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPACER,RING TITLE COMPONENT PN B-632 MFR SPACER,RING
KEY FEATURES
•
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
•
FILAMENT DESIGNATION: CC-8
•
BASE STYLE: RECESSED SINGLE CONTACT
•
RATED AVERAGE LIFE: HOURS
•
BULB DESIGNATOR: T-4
•
FEATURES PROVIDED: HEAT RESISTANT GLASS
•
FILAMENT HEAVY DUTY SERVICE RATING: NOT RATED
TECHNICAL CHARACTERISTICS
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
FILAMENT DESIGNATIONCC-8
BASE STYLERECESSED SINGLE CONTACT
RATED AVERAGE LIFEHOURS
BULB DESIGNATORT-4
OVERALL LENGTH3.062 INCHES MAXIMUM IN
FEATURES PROVIDEDHEAT RESISTANT GLASS
FILAMENT HEAVY DUTY SERVICE RATINGNOT RATED
SPECIFICATION/STANDARD DATA80204-FAD PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
WATTAGE RATING650.000 WATTS
SUBSTITUTES & CROSS-REFERENCES 6
FADReference document
Same NSN cross-reference
Reference document — Secondary reference
FAD650W120VReference document
Same NSN cross-reference
Reference document — Secondary reference
FAD120VReference document
Same NSN cross-reference
Reference document — Secondary reference
FAD/DWYReference document
Same NSN cross-reference
Reference document — Secondary reference
451-2323BGReference document
Same NSN cross-reference
Reference document — Secondary reference
FAD120VSELECTReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-632?
B-632 is a SPACER,RING.
What parts can replace B-632?
There are 6 known substitutes for B-632: FAD, FAD650W120V, FAD120V and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-632?
B-632 is cataloged in the U.S. Government catalog under NSN 6240-00-057-6307. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.