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90055A192 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

90055A192: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, head_height: 0.070 INCHES NOMINAL IN, head_diameter: 0.312 INCHES NOMINAL IN, fastener_length: 0.375 INCHES NOMINAL IN, countersink_angle: 82.000 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-620-7577, 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
90055A192
NSN: 5305-01-620-7577
FSC: 5305 — Screws
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK UNDERCUT
head_height0.070 INCHES NOMINAL IN
head_diameter0.312 INCHES NOMINAL IN
fastener_length0.375 INCHES NOMINAL IN
countersink_angle82.000 DEGREES NOMINAL
surface_treatmentZINC OVERALL
nonmachine_thread_styleDOG TYPE (TYPE B OR C)
nonmachine_nominal_thread_diameter8.000 INCHES IN
part_name_assigned_by_controlling_agencyFLAT HEAD THREAD-FORMING SCREW
NSN5305-01-620-7577
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 90055A192 · 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: 8.000 INCHES IN
•
HEAD HEIGHT: 0.070 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: DOG TYPE (TYPE B OR C)
•
HEAD STYLE: FLAT COUNTERSUNK UNDERCUT
•
SURFACE TREATMENT: ZINC OVERALL
•
COUNTERSINK ANGLE: 82.000 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER8.000 INCHES IN
HEAD HEIGHT0.070 INCHES NOMINAL IN
FASTENER LENGTH0.375 INCHES NOMINAL IN
NONMACHINE THREAD STYLEDOG TYPE (TYPE B OR C)
HEAD STYLEFLAT COUNTERSUNK UNDERCUT
SURFACE TREATMENTZINC OVERALL
COUNTERSINK ANGLE82.000 DEGREES NOMINAL
PART NAME ASSIGNED BY CONTROLLING AGENCYFLAT HEAD THREAD-FORMING SCREW
MATERIALSTEEL OVERALL
HEAD DIAMETER0.312 INCHES NOMINAL IN
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 90055A192?
90055A192 is a SCREW,TAPPING.
What is the NSN for 90055A192?
90055A192 is cataloged in the U.S. Government catalog under NSN 5305-01-620-7577. 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.