PartsTable
Technical Data Sheet
R3040574-1 ✓ 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: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, thread_length: 0.563 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, screw_material: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013, fastener_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-984-7341, 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
R3040574-1
NSN: 5305-00-984-7341
FSC: 5305
CAGE: 57519 — R S P INDUSTRIES INC (USA)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.340 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
thread_length0.563 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
screw_materialSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013
fastener_length0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.190 INCHES IN
screw_surface_treatmentCADMIUM AND CHROMATE
minimum_tensile_strength55000 POUNDS PER SQUARE INCH LBS
NSN5305-00-984-7341
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: R3040574-1 · 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
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH: 55000 POUNDS PER SQUARE INCH LBS
THREAD CLASS: 2A A
THREAD SERIES DESIGNATOR: UNF
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
HEAD STYLE: FLAT COUNTERSUNK
SCREW SURFACE TREATMENT: CADMIUM AND CHROMATE
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE
MINIMUM TENSILE STRENGTH55000 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A A
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
SCREW SURFACE TREATMENTCADMIUM AND CHROMATE
THREAD QUANTITY PER INCH32
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
18287Interchangeable
interchangeable cross-reference
interchangeable
H60601-1Interchangeable
interchangeable cross-reference
interchangeable
3H4585A1321Interchangeable
interchangeable cross-reference
interchangeable
22078Interchangeable
interchangeable cross-reference
interchangeable
SKC-1198Interchangeable
interchangeable cross-reference
interchangeable
22-0114Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R3040574-1?
R3040574-1 is a SCREW,MACHINE.
What parts can replace R3040574-1?
There are 14 known substitutes for R3040574-1: 18287, H60601-1, 3H4585A1321 and 11 more. Substitute compatibility should be verified for your specific system.
Is R3040574-1 still available?
R3040574-1 is currently cancelled.
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