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ST-5404 — BOLT,RIBBED SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST-5404: BOLT,RIBBED SHOULDER.

The BOLT,RIBBED SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: FLAT FILLISTER, head_height: 0.656 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.785 INCHES NOMINAL IN, thread_length: 1.297 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-432-9779, 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
ST-5404
NSN: 5306-01-432-9779
FSC: 5306 — Bolts
CAGE: 1GD20 — RELIABLE TOOL & MACHINE COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleFLAT FILLISTER
head_height0.656 INCHES NOMINAL IN
rib_quantity1
thread_class2A A
head_diameter0.785 INCHES NOMINAL IN
thread_length1.297 INCHES MINIMUM IN
shoulder_shapeRIBBED FIRST SHOULDER
fastener_length2.094 INCHES NOMINAL IN
shoulder_length0.656 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.606 INCHES MINIMUM AND 0.612 INCHES MAXIMUM FIRST SHOULDER IN
NSN5306-01-432-9779
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST-5404 · 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
•
HEAD HEIGHT: 0.656 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.094 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.656 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.606 INCHES MINIMUM AND 0.612 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 1.297 INCHES MINIMUM IN
•
SHOULDER SHAPE: RIBBED FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429, GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.656 INCHES NOMINAL IN
FASTENER LENGTH2.094 INCHES NOMINAL IN
SHOULDER LENGTH0.656 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.606 INCHES MINIMUM AND 0.612 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH1.297 INCHES MINIMUM IN
SHOULDER SHAPERIBBED FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J429, GRADE 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEFLAT FILLISTER
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 ST-5404?
ST-5404 is a BOLT,RIBBED SHOULDER.
What is the NSN for ST-5404?
ST-5404 is cataloged in the U.S. Government catalog under NSN 5306-01-432-9779. 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.