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HH63031150 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

HH63031150: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, head_style: FLAT CHAMFER, head_height: 0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN, thread_length: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-528-7524, 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
HH63031150
NSN: 5305-01-528-7524
FSC: 5305 — Screws
CAGE: 1QYC9 — ATLANTIC FASTENERS CO LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
head_styleFLAT CHAMFER
head_height0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.419 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN
thread_length0.438 INCHES NOMINAL IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length1.938 INCHES NOMINAL IN
shoulder_length1.500 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.312 INCHES NOMINAL FIRST SHOULDER IN
width_across_flats0.156 INCHES NOMINAL IN
NSN5305-01-528-7524
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: HH63031150 · 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 NOMINAL IN
•
HEAD HEIGHT: 0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.938 INCHES NOMINAL IN
•
SHOULDER LENGTH: 1.500 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.312 INCHES NOMINAL FIRST SHOULDER IN
•
THREAD LENGTH: 0.438 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
HEAD HEIGHT0.209 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN
FASTENER LENGTH1.938 INCHES NOMINAL IN
SHOULDER LENGTH1.500 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.312 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH0.438 INCHES NOMINAL IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEFLAT CHAMFER
THREAD DIRECTIONRIGHT-HAND
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is HH63031150?
HH63031150 is a SCREW,SHOULDER.
What is the NSN for HH63031150?
HH63031150 is cataloged in the U.S. Government catalog under NSN 5305-01-528-7524. 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.