PartsTable
Technical Data Sheet
Download PDF

553823 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

553823: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, head_style: ROUND W/WRENCH FLATS, head_height: 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN, thread_length: 0.665 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-854-0640, 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
553823
NSN: 5306-00-854-0640
FSC: 5306 — Bolts
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
head_styleROUND W/WRENCH FLATS
head_height0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
thread_class3A A
head_diameter0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
thread_length0.665 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
shoulder_length0.069 INCHES MINIMUM AND 0.129 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.254 INCHES MINIMUM AND 0.255 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.410 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
NSN5306-00-854-0640
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 553823 · 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: 0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.069 INCHES MINIMUM AND 0.129 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER DIAMETER: 0.254 INCHES MINIMUM AND 0.255 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.665 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: ROUND W/WRENCH FLATS
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.100 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
FASTENER LENGTH0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
SHOULDER LENGTH0.069 INCHES MINIMUM AND 0.129 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER DIAMETER0.254 INCHES MINIMUM AND 0.255 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.665 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEROUND W/WRENCH FLATS
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.410 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
53823Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 553823?
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 553823?
553823 is a BOLT,SHOULDER.
What parts can replace 553823?
There is 1 known substitute for 553823: 53823. Substitute compatibility should be verified for your specific system.
What is the NSN for 553823?
553823 is cataloged in the U.S. Government catalog under NSN 5306-00-854-0640. 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 — 553823

✓ 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.