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Technical Data Sheet
PartsTable / COMPONENT / 10590-00051
10590-00051 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, point_style: FLAT, thread_class: 2A A, thread_length: 1.500 INCHES NOMINAL IN, point_diameter: 0.396 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-491-6106, 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
10590-00051
NSN: 5306-01-491-6106
FSC: 5306
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
point_styleFLAT
thread_class2A A
thread_length1.500 INCHES NOMINAL IN
point_diameter0.396 INCHES NOMINAL IN
fastener_length12.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
nominal_thread_diameter0.500 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5306-01-491-6106
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10590-00051 · 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
•
POINT STYLE: FLAT
•
HEAD STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD CLASS: 2A A
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS (FLIS)
POINT STYLEFLAT
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD SERIES DESIGNATORUNF
THREAD CLASS2A A
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD QUANTITY PER INCH20
THREAD DIRECTIONRIGHT-HAND
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MIL-DTL-1222Upgraded Successor
successor cross-reference
successor
M1222B3X8C268GFNZEUpgraded Successor
successor cross-reference
successor
M1222RN8C268GFNZEUpgraded Successor
successor cross-reference
successor
N401P8CInterchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-P-416Interchangeable
interchangeable cross-reference
interchangeable
ASTM B121/B121M UNS-C33500 ANNEAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10590-00051?
10590-00051 is a BOLT,EXTERNALLY RELIEVED BODY.
What parts can replace 10590-00051?
There are 15 known substitutes for 10590-00051: MIL-DTL-1222, M1222B3X8C268GFNZE, M1222RN8C268GFNZE and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10590-00051?
10590-00051 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-491-6106. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026