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12008026 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12008026: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8630 OVERALL, head_style: HEXAGON, head_height: 0.630 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.230 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-032-7039, 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
12008026
NSN: 5306-01-032-7039
FSC: 5306 — Bolts
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8630 OVERALL
head_styleHEXAGON
head_height0.630 INCHES NOMINAL IN
thread_class3A A
thread_length1.230 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES OVERALL
fastener_length4.120 INCHES NOMINAL IN
hardness_rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
surface_treatmentCADMIUM THREADS
width_between_flats1.390 INCHES MINIMUM AND 1.490 INCHES MAXIMUM IN
nominal_thread_diameter1.000 INCHES IN
NSN5306-01-032-7039
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12008026 · 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
•
SURFACE FINISH: 32.0 MICROINCHES OVERALL
•
HEAD HEIGHT: 0.630 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.120 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-C-320,CLASS 2C FED SPEC SINGLE TREATMENT RESPONSE GRIP
•
THREAD LENGTH: 1.230 INCHES NOMINAL IN
•
HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OVERALL
HEAD HEIGHT0.630 INCHES NOMINAL IN
FASTENER LENGTH4.120 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-C-320,CLASS 2C FED SPEC SINGLE TREATMENT RESPONSE GRIP
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE THREADS
THREAD LENGTH1.230 INCHES NOMINAL IN
HARDNESS RATING28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A322 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A331 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER1.000 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

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 12008026?
12008026 is a BOLT,MACHINE.
What is the NSN for 12008026?
12008026 is cataloged in the U.S. Government catalog under NSN 5306-01-032-7039. 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.