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234B12 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

234B12: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, shank_length: 0.812 INCHES NOMINAL IN, overall_length: 1.188 INCHES NOMINAL IN, shank_diameter: 0.312 INCHES NOMINAL IN, first_end_style: CHAMFERED, second_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-429-9143, 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
234B12
NSN: 5315-00-429-9143
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 30760 — INGERSOLL RAND CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
shank_length0.812 INCHES NOMINAL IN
overall_length1.188 INCHES NOMINAL IN
shank_diameter0.312 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleSQUARE
style_designatorSHOULDER
shoulder_diameter0.438 INCHES NOMINAL IN
first_end_locationSHOULDER END
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.031 INCHES NOMINAL IN
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-00-429-9143
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 234B12 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHANK DIAMETER: 0.312 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
FIRST END LOCATION: SHOULDER END
•
FIRST END STYLE: CHAMFERED
•
SHANK LENGTH: 0.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.312 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
FIRST END LOCATIONSHOULDER END
FIRST END STYLECHAMFERED
SHANK LENGTH0.812 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
OVERALL LENGTH1.188 INCHES NOMINAL IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SHOULDER DIAMETER0.438 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 234B12?
234B12 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 234B12?
234B12 is cataloged in the U.S. Government catalog under NSN 5315-00-429-9143. 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.