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PartsTable / COMPONENT / 654574
654574 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: BINDING, head_height: 0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.233 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, thread_length: 0.250 INCHES NOMINAL IN, screw_material: STEEL CORROSION RESISTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-274-0357, 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
654574
NSN: 5305-00-274-0357
FSC: 5305
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
head_styleBINDING
head_height0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.233 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
thread_length0.250 INCHES NOMINAL IN
screw_materialSTEEL CORROSION RESISTING
fastener_length1.390 INCHES MINIMUM AND 1.422 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch48
NSN5305-00-274-0357
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 654574 · 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 LENGTH: 0.250 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.390 INCHES MINIMUM AND 1.422 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: PASSIVATE
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-853 CLASS 7 TYPE C MIL SPEC SINGLE MATERIAL RESPONSE
•
THREAD CLASS: 2A A
•
HEAD STYLE: BINDING
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.250 INCHES NOMINAL IN
FASTENER LENGTH1.390 INCHES MINIMUM AND 1.422 INCHES MAXIMUM IN
HEAD HEIGHT0.056 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTPASSIVATE
SCREW MATERIALSTEEL CORROSION RESISTING
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-853 CLASS 7 TYPE C MIL SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS2A A
HEAD STYLEBINDING
THREAD SERIES DESIGNATORUNF
HEAD DIAMETER0.233 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
2306-01Interchangeable
interchangeable cross-reference
interchangeable
2603-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 654574?
654574 is a SCREW,MACHINE.
What parts can replace 654574?
There are 2 known substitutes for 654574: 2306-01, 2603-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 654574?
654574 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-274-0357. 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: July 2026