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05-05879 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

05-05879: BOLT,U.

The BOLT,U is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1018 OR STEEL COMP 1025 OVERALL, thread_class: 2B, thread_length: 2.38 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.625 INCHES IN, thread_quantity_per_inch: 18. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-689-5808, 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
05-05879
NSN: 5306-01-689-5808
FSC: 5306 — Bolts
CAGE: 52793 — SAGINAW PRODUCTS CORPORATION DBA CIGNYS (USA)
SPECIFICATIONS
materialSTEEL COMP 1018 OR STEEL COMP 1025 OVERALL
thread_class2B
thread_length2.38 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNF
part_name_assigned_by_controlling_agencyU-BOLT
NSN5306-01-689-5808
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 05-05879 · 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
•
THREAD LENGTH: 2.38 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 18
•
MATERIAL: STEEL COMP 1018 OR STEEL COMP 1025 OVERALL
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS
THREAD LENGTH2.38 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.625 INCHES IN
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYU-BOLT
THREAD CLASS2B
THREAD QUANTITY PER INCH18
MATERIALSTEEL COMP 1018 OR STEEL COMP 1025 OVERALL
THREAD SERIES DESIGNATORUNF
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 1
31000-556Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 05-05879?
05-05879 is a BOLT,U.
What parts can replace 05-05879?
There is 1 known substitute for 05-05879: 31000-556. Substitute compatibility should be verified for your specific system.
What is the NSN for 05-05879?
05-05879 is cataloged in the U.S. Government catalog under NSN 5306-01-689-5808. This indicates validated use in U.S. government and defense supply chains.
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