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Technical Data Sheet
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12302700 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12302700: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, head_height: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER, fastener_length: 4.177 INCHES MINIMUM AND 4.197 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-183-6970, 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
12302700
NSN: 5306-01-183-6970
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
head_styleHEXAGON
head_height0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
thread_class2A A
thread_length0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length4.177 INCHES MINIMUM AND 4.197 INCHES MAXIMUM IN
shoulder_length3.177 INCHES MINIMUM AND 3.197 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.6170 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentCADMIUM OR ZINC OVERALL
width_between_flats0.9220 INCHES MINIMUM AND 0.9375 INCHES MAXIMUM IN
nominal_thread_diameter0.500 INCHES IN
NSN5306-01-183-6970
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12302700 · 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
•
HEAD HEIGHT: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
•
FASTENER LENGTH: 4.177 INCHES MINIMUM AND 4.197 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 3.177 INCHES MINIMUM AND 3.197 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: FF-B-575 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
SHOULDER DIAMETER: 0.6170 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN
FASTENER LENGTH4.177 INCHES MINIMUM AND 4.197 INCHES MAXIMUM IN
SHOULDER LENGTH3.177 INCHES MINIMUM AND 3.197 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONFF-B-575 FED SPEC ALL TREATMENT RESPONSES OVERALL
SHOULDER DIAMETER0.6170 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
NOMINAL THREAD DIAMETER0.500 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12302700?
12302700 is a BOLT,SHOULDER.
What is the NSN for 12302700?
12302700 is cataloged in the U.S. Government catalog under NSN 5306-01-183-6970. 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.