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10183440-2 — BOLT,U

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

10183440-2: BOLT,U.

The BOLT,U is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, thread_class: 2A A, thread_length: 0.480 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN, style_designator: ROUND BEND, thread_direction: RIGHT-HAND, surface_treatment: PASSIVATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-009-1621, 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
10183440-2
NSN: 5306-01-009-1621
FSC: 5306 — Bolts
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
thread_class2A A
thread_length0.480 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
style_designatorROUND BEND
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
nominal_thread_diameter0.112 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
inside_distance_between_shanks1.380 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
material_document_and_classificationQQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
NSN5306-01-009-1621
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 10183440-2 · 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: 1.380 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.480 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
•
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END: 1.690 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND BEND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
INSIDE DISTANCE BETWEEN SHANKS1.380 INCHES MINIMUM AND 1.440 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.480 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END1.690 INCHES MINIMUM AND 1.790 INCHES MAXIMUM IN
STYLE DESIGNATORROUND BEND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.112 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A A
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
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FREQUENTLY ASKED QUESTIONS
What is 10183440-2?
10183440-2 is a BOLT,U.
What is the NSN for 10183440-2?
10183440-2 is cataloged in the U.S. Government catalog under NSN 5306-01-009-1621. 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.