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SS7423-013 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

SS7423-013: 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: 0.1250 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.2813 INCHES MINIMUM AND 0.3437 INCHES MAXIMUM IN, thread_length: 0.1563 INCHES MINIMUM AND 0.2187 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-474-9859, 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
SS7423-013
NSN: 5305-01-474-9859
FSC: 5305 — Screws
CAGE: 05791 — LYN-TRON, INC. DBA LYN-TRON INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
head_styleFLAT CHAMFER
head_height0.1250 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.2813 INCHES MINIMUM AND 0.3437 INCHES MAXIMUM IN
thread_length0.1563 INCHES MINIMUM AND 0.2187 INCHES MAXIMUM IN
shoulder_shapeSQUARE FIRST SHOULDER
fastener_length0.5283 INCHES MINIMUM AND 0.5967 INCHES MAXIMUM IN
shoulder_length0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.0940 INCHES NOMINAL IN
NSN5305-01-474-9859
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: SS7423-013 · 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: 0.0940 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.1250 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.5283 INCHES MINIMUM AND 0.5967 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.1563 INCHES MINIMUM AND 0.2187 INCHES MAXIMUM IN
•
SHOULDER SHAPE: SQUARE FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582/582M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.0940 INCHES NOMINAL IN
HEAD HEIGHT0.1250 INCHES MINIMUM AND 0.1874 INCHES MAXIMUM IN
FASTENER LENGTH0.5283 INCHES MINIMUM AND 0.5967 INCHES MAXIMUM IN
SHOULDER LENGTH0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35, TYPE II FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.1563 INCHES MINIMUM AND 0.2187 INCHES MAXIMUM IN
SHOULDER SHAPESQUARE FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582/582M ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES IN
HEAD STYLEFLAT CHAMFER
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 1
MS51576-10Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SS7423-013?
SS7423-013 is a SCREW,SHOULDER.
What parts can replace SS7423-013?
There is 1 known substitute for SS7423-013: MS51576-10. Substitute compatibility should be verified for your specific system.
What is the NSN for SS7423-013?
SS7423-013 is cataloged in the U.S. Government catalog under NSN 5305-01-474-9859. 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.