PartsTable
Technical Data Sheet
Download PDF

2596774 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

2596774: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.093 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-545-5299, 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
2596774
NSN: 5306-00-545-5299
FSC: 5306 — Bolts
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.093 INCHES NOMINAL IN
thread_class2A A
thread_length0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.572 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length0.150 INCHES NOMINAL FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.375 INCHES NOMINAL IN
NSN5306-00-545-5299
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2596774 · 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: 0.093 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.572 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.150 INCHES NOMINAL FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.093 INCHES NOMINAL IN
FASTENER LENGTH0.572 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
SHOULDER LENGTH0.150 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER DIAMETER0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 39.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEHEXAGON
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: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy 2596774?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 2596774?
2596774 is a BOLT,SHOULDER.
What is the NSN for 2596774?
2596774 is cataloged in the U.S. Government catalog under NSN 5306-00-545-5299. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 2596774

✓ 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.