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12909090 — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12909090: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON EXTENDED WASHER, head_height: 2.570 INCHES NOMINAL IN, thread_class: 3G G, thread_length: 7.190 INCHES NOMINAL IN, shoulder_shape: ROUND OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-295-9653, 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
12909090
NSN: 5306-01-295-9653
FSC: 5306 — Bolts
CAGE: 19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON EXTENDED WASHER
head_height2.570 INCHES NOMINAL IN
thread_class3G G
thread_length7.190 INCHES NOMINAL IN
shoulder_shapeROUND OVERALL
fastener_length7.750 INCHES NOMINAL IN
hardness_rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length0.890 INCHES NOMINAL SECOND SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter1.000 INCHES NOMINAL SECOND SHOULDER IN
width_between_flats0.750 INCHES NOMINAL IN
NSN5306-01-295-9653
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12909090 · 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: 0.310 INCHES NOMINAL IN
•
HEAD HEIGHT: 2.570 INCHES NOMINAL IN
•
FASTENER LENGTH: 7.750 INCHES NOMINAL IN
•
SHOULDER LENGTH: 0.770 INCHES NOMINAL FIRST SHOULDER IN
•
EXTENDED WASHER DIAMETER: 2.800 INCHES NOMINAL IN
•
SHOULDER DIAMETER: 1.000 INCHES NOMINAL SECOND SHOULDER IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.310 INCHES NOMINAL IN
HEAD HEIGHT2.570 INCHES NOMINAL IN
FASTENER LENGTH7.750 INCHES NOMINAL IN
SHOULDER LENGTH0.770 INCHES NOMINAL FIRST SHOULDER IN
SHOULDER LENGTH0.890 INCHES NOMINAL SECOND SHOULDER IN
EXTENDED WASHER DIAMETER2.800 INCHES NOMINAL IN
SHOULDER DIAMETER1.000 INCHES NOMINAL SECOND SHOULDER IN
SHOULDER DIAMETER1.372 INCHES NOMINAL FIRST SHOULDER IN
THREAD LENGTH7.190 INCHES NOMINAL IN
SHOULDER SHAPEROUND OVERALL
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 12909090?
12909090 is a BOLT,SHOULDER.
What is the NSN for 12909090?
12909090 is cataloged in the U.S. Government catalog under NSN 5306-01-295-9653. 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.