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SS7444-01 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SS7444-01: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, head_style: FLAT CHAMFER, head_height: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, thread_class: 2A A, chamfer_angle: 45.0 DEGREES NOMINAL, head_diameter: 0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-705-5493, 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
SS7444-01
NSN: 5305-01-705-5493
FSC: 5305 — Screws
CAGE: 05791 — LYN-TRON, INC. DBA LYN-TRON INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
thread_class2A A
chamfer_angle45.0 DEGREES NOMINAL
head_diameter0.371 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
thread_length0.203 INCHES NOMINAL IN
shoulder_shapeROUND OVERALL
fastener_length0.937 INCHES NOMINAL IN
shoulder_length0.6875 INCHES MINIMUM AND 0.6877 INCHES MAXIMUM OVERALL IN
thread_directionRIGHT-HAND
shoulder_diameter0.2494 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM OVERALL IN
NSN5305-01-705-5493
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SS7444-01 · 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: 0.125 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.937 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.6875 INCHES MINIMUM AND 0.6877 INCHES MAXIMUM OVERALL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM-A967-05 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.2494 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM OVERALL IN
•
THREAD LENGTH: 0.203 INCHES NOMINAL IN
•
SHOULDER SHAPE: ROUND OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.125 INCHES NOMINAL IN
HEAD HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
FASTENER LENGTH0.937 INCHES NOMINAL IN
SHOULDER LENGTH0.6875 INCHES MINIMUM AND 0.6877 INCHES MAXIMUM OVERALL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM-A967-05 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.2494 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM OVERALL IN
THREAD LENGTH0.203 INCHES NOMINAL IN
SHOULDER SHAPEROUND OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A-582 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES 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 1
SS7444Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS7444-01?
SS7444-01 is a SCREW,SHOULDER.
What parts can replace SS7444-01?
There is 1 known substitute for SS7444-01: SS7444. Substitute compatibility should be verified for your specific system.
What is the NSN for SS7444-01?
SS7444-01 is cataloged in the U.S. Government catalog under NSN 5305-01-705-5493. 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.