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B203510G204 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

B203510G204: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include head_style: PAN NO. 2, head_height: 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN, head_diameter: 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN, fastener_length: 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE OVERALL, internal_drive_style: SLOT.

This part is cataloged in the U.S. Government catalog under NSN 5305-01-308-6057, 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
B203510G204
NSN: 5305-01-308-6057
FSC: 5305 — Screws
CAGE: 58474 — SUPERIOR ELECTRIC HOLDING GROUP LLC DIV SPECIALTY PRODUCT TECHNOLOGIES (USA)
SPECIFICATIONS
materialSTEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1019 OR STEEL COMP 1021 OR STEEL COMP 1022 OR STEEL COMP 1524 OVERALL
head_stylePAN NO. 2
head_height0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
head_diameter0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
fastener_length0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
internal_drive_styleSLOT
nonmachine_thread_styleBLUNT (TYPE TT)
nonmachine_nominal_thread_diameter0.164 INCHES IN
material_document_and_classificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
surface_treatment_document_and_classificationQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5305-01-308-6057
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: B203510G204 · 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
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
HEAD HEIGHT: 0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
NONMACHINE THREAD STYLE: BLUNT (TYPE TT)
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
•
HEAD STYLE: PAN NO. 2
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD HEIGHT0.085 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN
FASTENER LENGTH0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NONMACHINE THREAD STYLEBLUNT (TYPE TT)
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
HEAD STYLEPAN NO. 2
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
INTERNAL DRIVE STYLESLOT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
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 1
B203510G204-ABReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B203510G204?
B203510G204 is a SCREW,TAPPING.
What parts can replace B203510G204?
There is 1 known substitute for B203510G204: B203510G204-AB. Substitute compatibility should be verified for your specific system.
What is the NSN for B203510G204?
B203510G204 is cataloged in the U.S. Government catalog under NSN 5305-01-308-6057. 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.