PartsTable
Technical Data Sheet
21-4560 ✓ 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,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN, head_height: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, head_diameter: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, fastener_length: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN, features_provided: CASEHARDENED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-499-4805, 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
21-4560
NSN: 5305-00-499-4805
FSC: 5305
CAGE: 79409 — WOODHEAD, LP DBA WOODHEAD DIV INTEGRATED PRODUCTS GROUP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN
head_height0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
head_diameter0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
fastener_length0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
features_providedCASEHARDENED
surface_treatmentCADMIUM AND CHROMATE OVERALL
internal_drive_styleCROSS RECESS TYPE 1
nonmachine_thread_styleGIMLET POINT (TYPE A, AB OR BA)
nondefinitive_spec/std_dataAB TYPE
nonmachine_nominal_thread_diameter0.112 INCHES IN
surface_treatment_document_and_classificationQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
NSN5305-00-499-4805
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 21-4560 · 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
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HEAD DIAMETER: 0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
MATERIAL: STEEL OVERALL
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
HEAD STYLE: PAN
FASTENER LENGTH: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
HEAD HEIGHT: 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
NONMACHINE NOMINAL THREAD DIAMETER: 0.112 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
HEAD DIAMETER0.205 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
HEAD STYLEPAN
FASTENER LENGTH0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
HEAD HEIGHT0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
NONMACHINE NOMINAL THREAD DIAMETER0.112 INCHES IN
NONDEFINITIVE SPEC/STD DATAAB TYPE
NONMACHINE THREAD STYLEGIMLET POINT (TYPE A, AB OR BA)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
4210-3Interchangeable
interchangeable cross-reference
interchangeable
WN3H3Interchangeable
interchangeable cross-reference
interchangeable
2669Interchangeable
interchangeable cross-reference
interchangeable
A736C9965Interchangeable
interchangeable cross-reference
interchangeable
A736CInterchangeable
interchangeable cross-reference
interchangeable
A-A-1760Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21-4560?
21-4560 is a SCREW,TAPPING.
What parts can replace 21-4560?
There are 16 known substitutes for 21-4560: 4210-3, WN3H3, 2669 and 13 more. Substitute compatibility should be verified for your specific system.
Is 21-4560 still available?
21-4560 is currently cancelled.
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