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A204C20 — SCREW,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A204C20: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 2A A, head_diameter: 0.285 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN, thread_length: 0.552 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 0.625 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-482-7033, 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
A204C20
NSN: 5305-00-482-7033
FSC: 5305 — Screws
CAGE: K7766 — BSI STANDARDS LIMITED (GBR)
SPECIFICATIONS
head_styleFLAT COUNTERSUNK
thread_class2A A
head_diameter0.285 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN
thread_length0.552 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.625 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_styleSLOT
nominal_thread_diameter0.164 INCHES IN
screw_surface_treatmentCADMIUM
minimum_tensile_strength25000 POUNDS PER SQUARE INCH LBS
NSN5305-00-482-7033
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A204C20 · 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
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD LENGTH: 0.552 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
SCREW MATERIAL: STEEL
•
MINIMUM TENSILE STRENGTH: 25000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.625 INCHES NOMINAL IN
THREAD LENGTH0.552 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL
MINIMUM TENSILE STRENGTH25000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLESLOT
COUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A204C20?
A204C20 is a SCREW,MACHINE.
What is the NSN for A204C20?
A204C20 is cataloged in the U.S. Government catalog under NSN 5305-00-482-7033. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.