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03A519-4-16C — SCREW,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

03A519-4-16C: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: PLASTIC TOP OF HEAD, head_style: FLAT COUNTERSUNK, grip_length: 1.00 INCHES NOMINAL IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-609-3771, 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
03A519-4-16C
NSN: 5305-01-609-3771
FSC: 5305 — Screws
CAGE: 1W025 — NORTHROP GRUMMAN SYSTEMS CORP DBA NORTHROP GRUMMAN COMPUTING SYSTEMS (USA)
SPECIFICATIONS
materialPLASTIC TOP OF HEAD
head_styleFLAT COUNTERSUNK
grip_length1.00 INCHES NOMINAL IN
thread_class3A A
grip_diameter0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length0.425 INCHES NOMINAL IN
fastener_length1.425 INCHES NOMINAL IN
thread_directionRIGHT-HAND
countersink_angle100.0 DEGREES NOMINAL
surface_treatmentPAINT TOP OF HEAD
internal_drive_styleTORX
NSN5305-01-609-3771
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 03A519-4-16C · 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
•
FASTENER LENGTH: 1.425 INCHES NOMINAL IN
•
THREAD LENGTH: 0.425 INCHES NOMINAL IN
•
SPLINE MAJOR DIAMETER: 0.173 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.2500 INCHES IN
•
HEAD STYLE: FLAT COUNTERSUNK
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 1.00 INCHES NOMINAL IN
•
GRIP DIAMETER: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.425 INCHES NOMINAL IN
THREAD LENGTH0.425 INCHES NOMINAL IN
SPLINE MAJOR DIAMETER0.173 INCHES MINIMUM AND 0.183 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.2500 INCHES IN
HEAD STYLEFLAT COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.00 INCHES NOMINAL IN
GRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
COLORGRAY/GREY TOP OF HEAD
SURFACE TREATMENTPAINT TOP OF HEAD
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 03A519-4-16C?
03A519-4-16C is a SCREW,CLOSE TOLERANCE.
What is the NSN for 03A519-4-16C?
03A519-4-16C is cataloged in the U.S. Government catalog under NSN 5305-01-609-3771. This indicates validated use in U.S. government and defense supply chains.
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