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G205803-2 — SCREW,CAP,SOCKET HEAD

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

G205803-2: SCREW,CAP,SOCKET HEAD.

The SCREW,CAP,SOCKET HEAD is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OVERALL, head_style: FLAT CHAMFER, head_height: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, thread_length: 1.114 INCHES MINIMUM AND 1.147 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-511-8150, 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
G205803-2
NSN: 5305-00-511-8150
FSC: 5305 — Screws
CAGE: 70408 — AT AND T CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 4037 OVERALL
head_styleFLAT CHAMFER
head_height0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
thread_length1.114 INCHES MINIMUM AND 1.147 INCHES MAXIMUM IN
fastener_length1.114 INCHES MINIMUM AND 1.147 INCHES MAXIMUM IN
hardness_rating38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
internal_drive_styleHEXAGON
NSN5305-00-511-8150
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: G205803-2 · 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
•
WIDTH ACROSS FLATS: 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.114 INCHES MINIMUM AND 1.147 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.114 INCHES MINIMUM AND 1.147 INCHES MAXIMUM IN
•
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN
HEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
FASTENER LENGTH1.114 INCHES MINIMUM AND 1.147 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-171 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.114 INCHES MINIMUM AND 1.147 INCHES MAXIMUM IN
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTZINC OVERALL
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES 1
0-190-24NC2AX1-Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 G205803-2?
G205803-2 is a SCREW,CAP,SOCKET HEAD.
What parts can replace G205803-2?
There is 1 known substitute for G205803-2: 0-190-24NC2AX1-. Substitute compatibility should be verified for your specific system.
What is the NSN for G205803-2?
G205803-2 is cataloged in the U.S. Government catalog under NSN 5305-00-511-8150. 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.