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Technical Data Sheet
1755534 ✓ Verified by PartsTable
· 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, head_height: 0.281 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.375 INCHES MINIMUM IN, fastener_length: 1.375 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-616-8548, 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
1755534
NSN: 5305-00-616-8548
FSC: 5305
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
head_styleHEXAGON
head_height0.281 INCHES NOMINAL IN
thread_class3A A
thread_length1.375 INCHES MINIMUM IN
fastener_length1.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.562 INCHES NOMINAL IN
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch24
thread_series_designatorUNF
NSN5305-00-616-8548
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1755534 · 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
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
HEAD STYLE: HEXAGON
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
THREAD SERIES DESIGNATOR: UNF
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
THREAD CLASS: 3A A
HEAD HEIGHT: 0.281 INCHES NOMINAL IN
THREAD LENGTH: 1.375 INCHES MINIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1020 OVERALL
THREAD SERIES DESIGNATORUNF
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD CLASS3A A
HEAD HEIGHT0.281 INCHES NOMINAL IN
THREAD LENGTH1.375 INCHES MINIMUM IN
THREAD QUANTITY PER INCH24
FASTENER LENGTH1.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
K28150Interchangeable
interchangeable cross-reference
interchangeable
28150Interchangeable
interchangeable cross-reference
interchangeable
D1545Interchangeable
interchangeable cross-reference
interchangeable
S458Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1755534?
1755534 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 1755534?
There are 4 known substitutes for 1755534: K28150, 28150, D1545 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1755534?
1755534 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-616-8548. This indicates validated use in U.S. government and defense supply chains.
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