PartsTable
Technical Data Sheet
Download PDF

WU2731 — BOLT,EYE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

WU2731: BOLT,EYE.

The BOLT,EYE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.313 INCHES MINIMUM IN, overall_length: 2.595 INCHES NOMINAL IN, special_features: UNDERCUT 0.386 TO 0.396 IN. DIA BETWEEN SHOULDER AND THD 0.083 TO 0.093 IN.

LG IN. This part is cataloged in the U.S. Government catalog under NSN 5306-00-274-2748, 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
WU2731
NSN: 5306-00-274-2748
FSC: 5306 — Bolts
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
thread_class3A A
thread_length0.313 INCHES MINIMUM IN
overall_length2.595 INCHES NOMINAL IN
special_featuresUNDERCUT 0.386 TO 0.396 IN. DIA BETWEEN SHOULDER AND THD 0.083 TO 0.093 IN. LG IN
style_designatorROUND, CLOSED W/SHOULDER
thread_directionRIGHT-HAND
eye_outside_width2.033 INCHES MINIMUM AND 2.093 INCHES MAXIMUM IN
shoulder_diameter0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
eye_stock_diameter0.438 INCHES NOMINAL IN
shoulder_thickness0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
NSN5306-00-274-2748
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: WU2731 · 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
•
EYE STOCK DIAMETER: 0.438 INCHES NOMINAL IN
•
THREAD LENGTH: 0.313 INCHES MINIMUM IN
•
SHANK LENGTH: 0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND, CLOSED W/SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-16788 CL C2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
EYE STOCK DIAMETER0.438 INCHES NOMINAL IN
THREAD LENGTH0.313 INCHES MINIMUM IN
SHANK LENGTH0.303 INCHES MINIMUM AND 0.323 INCHES MAXIMUM IN
STYLE DESIGNATORROUND, CLOSED W/SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-16788 CL C2 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.595 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SHOULDER DIAMETER0.845 INCHES MINIMUM AND 0.905 INCHES MAXIMUM IN
SHOULDER THICKNESS0.105 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN
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
No demilitarization required
Ready to buy WU2731?
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 WU2731?
WU2731 is a BOLT,EYE.
What is the NSN for WU2731?
WU2731 is cataloged in the U.S. Government catalog under NSN 5306-00-274-2748. 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 — WU2731

✓ 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.