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Technical Data Sheet

APN3191103/A250 — SCREW,TAPPING

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

APN3191103/A250: SCREW,TAPPING.

The SCREW,TAPPING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT COUNTERSUNK, head_diameter: 0.172 INCHES NOMINAL IN, fastener_length: 0.250 INCHES NOMINAL IN, countersink_angle: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-203-8699, 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
APN3191103/A250
NSN: 5305-01-203-8699
FSC: 5305 — Screws
CAGE: U1918 — MISSION SYSTEMS WIMBORNE LIMITED DIV COBHAM MISSION SYSTEMS WIMBORNE LTD (GBR)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT COUNTERSUNK
head_diameter0.172 INCHES NOMINAL IN
fastener_length0.250 INCHES NOMINAL IN
countersink_angle80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
surface_treatmentCADMIUM OVERALL
internal_drive_styleSLOT
nonmachine_nominal_thread_diameter0.086 INCHES IN
NSN5305-01-203-8699
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: APN3191103/A250 · 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: 0.086 INCHES IN
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
SURFACE TREATMENT: CADMIUM OVERALL
•
INTERNAL DRIVE STYLE: SLOT
•
COUNTERSINK ANGLE: 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
•
MATERIAL: STEEL OVERALL
•
HEAD DIAMETER: 0.172 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.086 INCHES IN
FASTENER LENGTH0.250 INCHES NOMINAL IN
HEAD STYLEFLAT COUNTERSUNK
SURFACE TREATMENTCADMIUM OVERALL
INTERNAL DRIVE STYLESLOT
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
MATERIALSTEEL OVERALL
HEAD DIAMETER0.172 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 APN3191103/A250?
APN3191103/A250 is a SCREW,TAPPING.
What is the NSN for APN3191103/A250?
APN3191103/A250 is cataloged in the U.S. Government catalog under NSN 5305-01-203-8699. 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.