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TDA/S248-2 — Technical Data Sheet

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— · BOLT SCREW
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

The SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, fastener_length: 1.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, end_item_identification: 3805-01-488-6963 TRUCK, DUMP, nominal_thread_diameter: 0.250 INCHES IN, thread_series_designator: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-01-518-7871, 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
TDA/S248-2
NSN: 5305-01-518-7871
FSC: 5305
CAGE: 64678 — DAIMLER TRUCK NORTH AMERICA LLC (USA)
SPECIFICATIONS
head_styleHEXAGON
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
end_item_identification3805-01-488-6963 TRUCK, DUMP
nominal_thread_diameter0.250 INCHES IN
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agencyHEX HEAD CAPO SCREW- COARSE THREAD
NSN5305-01-518-7871
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: TDA/S248-2 · OEM ⚠ 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
•
THREAD DIRECTION: RIGHT-HAND
•
HEAD STYLE: HEXAGON
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.250 INCHES IN
PART NAME ASSIGNED BY CONTROLLING AGENCYHEX HEAD CAPO SCREW- COARSE THREAD
END ITEM IDENTIFICATION3805-01-488-6963 TRUCK, DUMP
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
S248-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S248InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is TDA/S248-2?
TDA/S248-2 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace TDA/S248-2?
There are 2 known substitutes for TDA/S248-2: S248-2, S248. Substitute compatibility should be verified for your specific system.
What is the NSN for TDA/S248-2?
TDA/S248-2 is cataloged in the Federal Logistics Information System under NSN 5305-01-518-7871. 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: October 2026