PartsTable / MRO / 521-48
521-48
✓ Verified by PartsTable
Verbatim · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW
Verbatim LED Classic A offers a direct replacement for a conventional incandescent lamp. This dimmable and elegantly designed lamp has a built in temperature control system that protects the lamp electronics from overheating.<br>Dimmability depends on transformer/dimmer combination. Electronic transformers have a minimum load requirement.<br>Basic lighting for a comfortable atmosphere at home, in hotel rooms, restaurants and other similar applications.
This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-146-9057, indicating validated use in U.S. government and defense logistics supply chains.
WHERE IT FITS
MRO →
MRO_GENERAL →
521-48
NSN: 5305-00-146-9057 FSC: 5305 CAGE: 00198 — PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. (CAN)
SPECIFICATIONS
material STEEL OVERALL base_style MINIATURE SCREW bulb_style T (TUBULAR) head_style DOUBLE HEXAGON EXTENDED WASHER head_height 0.620 INCHES NOMINAL IN thread_class 3A A head_diameter 0.312 INCHES NOMINAL IN thread_length 0.200 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN overall_length 1.188 INCHES MAXIMUM IN screw_material STEEL COMP 8735 OR STEEL COMP 4640 OR STEEL COMP 6150 voltage_rating 0.800 VOLTS NOMINAL wattage_rating 0.026 WATTS NSN 5305-00-146-9057
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED
Hex HEAD
LENGTH: —
THREAD: — × —
MATERIAL: —
PN: 521-48 · Verbatim
⚠ VERIFY BEFORE ORDERING
Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part.
Grade/class stamped on bolt head determines tensile strength
✓ BROKER TIP
Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2.
Always confirm head marking matches specification requirement
PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
• HEAD HEIGHT: 0.219 INCHES NOMINAL IN
• THREAD DIRECTION: RIGHT-HAND
• SCREW MATERIAL: STEEL COMP 8735 OR STEEL COMP 4640 OR STEEL COMP 6150
• THREAD QUANTITY PER INCH: 32
• INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
• THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT 0.219 INCHES NOMINAL IN THREAD DIRECTION RIGHT-HAND HEAD STYLE FILLISTER SPECIAL FEATURES 2 DRILLED HOLES SCREW MATERIAL STEEL COMP 8735 OR STEEL COMP 4640 OR STEEL COMP 6150 THREAD QUANTITY PER INCH 32 INTERNAL DRIVE STYLE CROSS RECESS TYPE 1 THREAD SERIES DESIGNATOR UNF THREAD LENGTH 0.400 INCHES MINIMUM IN FASTENER LENGTH 1.180 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
52148 Interchangeable interchangeable cross-reference
interchangeable
DN52148 Interchangeable interchangeable cross-reference
interchangeable
SMB157041 Interchangeable interchangeable cross-reference
interchangeable
K 5121263 Interchangeable interchangeable cross-reference
interchangeable
05121263 Interchangeable interchangeable cross-reference
interchangeable
B5121263 Interchangeable interchangeable cross-reference
interchangeable
LIFECYCLE
Status CANCELLED
Availability —
RoHS Compliant EAR99 Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 521-48?
521-48 is a 521-48 manufactured by Verbatim. It is classified as a MRO (MRO_GENERAL).
What parts can replace 521-48?
There are 6 known substitutes for 521-48: 52148, DN52148, SMB157041 and 3 more. Substitute compatibility should be verified for your specific system.
Is 521-48 still available?
521-48 is currently cancelled.