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12286475 — BOLT,EXTERNALLY RELIEVED BODY

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12286475: BOLT,EXTERNALLY RELIEVED BODY.

The BOLT,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, hole_type: DRILLED, head_style: HEXAGON, head_height: 0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_class: 3A A, hole_diameter: 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-074-3666, 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
12286475
NSN: 5306-01-074-3666
FSC: 5306 — Bolts
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
hole_typeDRILLED
head_styleHEXAGON
head_height0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_class3A A
hole_diameter0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
hole_quantity1
thread_length0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
fastener_length4.310 INCHES MINIMUM AND 4.330 INCHES MAXIMUM IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
special_featuresNO.2 COMBINATION CENTER DRILL,CSK58-62 DEGREES TO 0.150-0.170 INCHES,OPTIONAL,BOTH ENDS IN
thread_directionRIGHT-HAND
NSN5306-01-074-3666
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12286475 · 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: 0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
FASTENER LENGTH: 4.310 INCHES MINIMUM AND 4.330 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
HARDNESS RATING: 34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
•
HOLE CONFIGURATION STYLE: HEXAGON FLATS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST DIAMETER FROM HEAD: 0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER: 3.940 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.230 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FASTENER LENGTH4.310 INCHES MINIMUM AND 4.330 INCHES MAXIMUM IN
THREAD LENGTH0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
HARDNESS RATING34.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL
HOLE CONFIGURATION STYLEHEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5708 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD0.240 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER3.940 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEHEXAGON
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 1
3-140-043X07Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 12286475?
12286475 is a BOLT,EXTERNALLY RELIEVED BODY.
What parts can replace 12286475?
There is 1 known substitute for 12286475: 3-140-043X07. Substitute compatibility should be verified for your specific system.
What is the NSN for 12286475?
12286475 is cataloged in the U.S. Government catalog under NSN 5306-01-074-3666. 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.