PartsTable
Technical Data Sheet
654542 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL, head_style: HEADLESS (SETSCREW), point_style: OVAL, thread_class: 2A A, thread_length: 0.438 INCHES MAXIMUM IN, fastener_length: 0.406 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-275-8529, 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
654542
NSN: 5305-00-275-8529
FSC: 5305
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
head_styleHEADLESS (SETSCREW)
point_styleOVAL
thread_class2A A
thread_length0.438 INCHES MAXIMUM IN
fastener_length0.406 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch48
thread_series_designatorUNF
NSN5305-00-275-8529
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 654542 · 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
HEAD STYLE: HEADLESS (SETSCREW)
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY THREAD SIZE AND SERIES/TYPE DESIGNATOR
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
THREAD DIRECTION: RIGHT-HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: PASSIVATE OVERALL
MATERIAL: STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEADLESS (SETSCREW)
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THREAD SIZE AND SERIES/TYPE DESIGNATOR
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 316 OVERALL
THREAD SERIES DESIGNATORUNF
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
62FT1Interchangeable
interchangeable cross-reference
interchangeable
230384Interchangeable
interchangeable cross-reference
interchangeable
FFS210Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 654542?
654542 is a SETSCREW.
What parts can replace 654542?
There are 3 known substitutes for 654542: 62FT1, 230384, FFS210. Substitute compatibility should be verified for your specific system.
What is the NSN for 654542?
654542 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-275-8529. This indicates validated use in U.S. government and defense supply chains.
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