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1145225 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

1145225: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_height: 0.363 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.375 INCHES MINIMUM IN, thread_direction: RIGHT-HAND, surface_treatment: CADMIUM AND CHROMATE OVERALL, width_between_flats: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-021-6695, 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
1145225
NSN: 5306-01-021-6695
FSC: 5306 — Bolts
CAGE: 05824 — AEROJET ROCKETDYNE INC (USA)
SPECIFICATIONS
head_height0.363 INCHES NOMINAL IN
thread_class3A A
thread_length0.375 INCHES MINIMUM IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.375 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
extended_washer_diameter0.572 INCHES NOMINAL IN
thread_quantity_per_inch24
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF)
extended_washer_thickness0.090 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5306-01-021-6695
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1145225 · 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
•
EXTENDED WASHER THICKNESS: 0.090 INCHES NOMINAL IN
•
HEAD HEIGHT: 0.363 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.572 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.375 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.090 INCHES NOMINAL IN
HEAD HEIGHT0.363 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.572 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS3A 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1145225?
1145225 is a BOLT,MACHINE.
What is the NSN for 1145225?
1145225 is cataloged in the U.S. Government catalog under NSN 5306-01-021-6695. 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.