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12342440 — SCREW,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

12342440: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: PAN, head_height: 0.152 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.527 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN, thread_length: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-481-7254, 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
12342440
NSN: 5305-01-481-7254
FSC: 5305 — Screws
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_stylePAN
head_height0.152 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.527 INCHES MINIMUM AND 0.547 INCHES MAXIMUM IN
thread_length0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
shoulder_shapeROUND GRIP
fastener_length0.880 INCHES MAXIMUM IN
shoulder_length0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM GRIP IN
thread_directionRIGHT-HAND
shoulder_diameter0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM GRIP IN
surface_treatmentCADMIUM OVERALL
NSN5305-01-481-7254
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12342440 · 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: 0.152 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.880 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM GRIP IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE2,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM GRIP IN
•
THREAD LENGTH: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND GRIP
•
MATERIAL DOCUMENT AND CLASSIFICATION: GRADE8,SAEJ429 FED SPEC 1ST MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.152 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN
FASTENER LENGTH0.880 INCHES MAXIMUM IN
SHOULDER LENGTH0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM GRIP IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE2,CLASS2 FED SPEC 1ST TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.312 INCHES MINIMUM AND 0.317 INCHES MAXIMUM GRIP IN
THREAD LENGTH0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
SHOULDER SHAPEROUND GRIP
MATERIAL DOCUMENT AND CLASSIFICATIONGRADE8,SAEJ429 FED SPEC 1ST MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEPAN
OTHER ITEMS IN FSC 5305 — Screws
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753
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 12342440?
12342440 is a SCREW,SHOULDER.
What is the NSN for 12342440?
12342440 is cataloged in the U.S. Government catalog under NSN 5305-01-481-7254. 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.