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123SCAB100-21 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

123SCAB100-21: BOLT,U.

The BOLT,U is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, thread_class: 3A A, thread_length: 0.500 INCHES NOMINAL IN, style_designator: ROUND BEND, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.190 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-259-7736, 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
123SCAB100-21
NSN: 5306-01-259-7736
FSC: 5306 — Bolts
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
thread_class3A A
thread_length0.500 INCHES NOMINAL IN
style_designatorROUND BEND
thread_directionRIGHT-HAND
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNF
inside_distance_between_shanks0.327 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN
distance_from_inside_center_of_bend_to_bolt_end0.840 INCHES NOMINAL IN
NSN5306-01-259-7736
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 123SCAB100-21 · 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
•
INSIDE DISTANCE BETWEEN SHANKS: 0.327 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END: 0.840 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND BEND
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD CLASS: 3A A
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS
INSIDE DISTANCE BETWEEN SHANKS0.327 INCHES MINIMUM AND 0.342 INCHES MAXIMUM IN
THREAD LENGTH0.500 INCHES NOMINAL IN
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END0.840 INCHES NOMINAL IN
STYLE DESIGNATORROUND BEND
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3A A
THREAD QUANTITY PER INCH32
MATERIALSTEEL COMP 303 OVERALL
THREAD SERIES DESIGNATORUNF
SUBSTITUTES & CROSS-REFERENCES 1
7252-1Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 123SCAB100-21?
123SCAB100-21 is a BOLT,U.
What parts can replace 123SCAB100-21?
There is 1 known substitute for 123SCAB100-21: 7252-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 123SCAB100-21?
123SCAB100-21 is cataloged in the U.S. Government catalog under NSN 5306-01-259-7736. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.