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75A613631-2003 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

75A613631-2003: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.429 INCHES MINIMUM IN, thread_length: 0.366 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-181-0806, 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
75A613631-2003
NSN: 5305-01-181-0806
FSC: 5305 — Screws
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
head_styleFLAT COUNTERSUNK
thread_class3A A
head_diameter0.429 INCHES MINIMUM IN
thread_length0.366 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.936 INCHES NOMINAL IN
shoulder_length0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
countersink_angle99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter0.3188 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentALUMINUM HEAD
NSN5305-01-181-0806
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 75A613631-2003 · 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: 0.936 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: PS13143 TY 1 CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
•
SHOULDER DIAMETER: 0.3188 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.366 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
TECHNICAL CHARACTERISTICS
FASTENER LENGTH0.936 INCHES NOMINAL IN
SHOULDER LENGTH0.540 INCHES MINIMUM AND 0.550 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13143 TY 1 CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE BEARING SURFACE OF HEAD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13143 TY1 CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONPS13143 TY1 CL 3,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE HEAD
SHOULDER DIAMETER0.3188 INCHES MINIMUM AND 0.3200 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.366 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-T-9047,COND ANLD MIL SPEC SINGLE MATERIAL RESPONSE 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

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 75A613631-2003?
75A613631-2003 is a SCREW,SHOULDER.
What is the NSN for 75A613631-2003?
75A613631-2003 is cataloged in the U.S. Government catalog under NSN 5305-01-181-0806. This indicates validated use in U.S. government and defense supply chains.
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