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S6121-62764-18 — PIN,STRAIGHT,THREADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

S6121-62764-18: PIN,STRAIGHT,THREADED.

The PIN,STRAIGHT,THREADED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 3A A, thread_length: 0.590 INCHES NOMINAL IN, first_end_style: SQUARE, pin_grip_length: 3.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-944-5855, 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
S6121-62764-18
NSN: 5315-00-944-5855
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 54878 — ROTAIR AEROSPACE CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class3A A
thread_length0.590 INCHES NOMINAL IN
first_end_styleSQUARE
pin_grip_length3.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
first_end_locationBOTH ENDS
pin_overall_length4.090 INCHES NOMINAL IN
first_hole_diameter0.094 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
pin_overall_diameter0.2500 INCHES NOMINAL IN
NSN5315-00-944-5855
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: S6121-62764-18 · 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
•
FIRST END LOCATION: BOTH ENDS
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
THREAD LENGTH: 0.590 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
FIRST HOLE DIAMETER: 0.094 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 0.2500 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 4.090 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
FIRST END LOCATIONBOTH ENDS
HOLE ARRANGEMENT STYLEONE END DRILLED
THREAD LENGTH0.590 INCHES NOMINAL IN
FIRST END STYLESQUARE
FIRST HOLE DIAMETER0.094 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.2500 INCHES NOMINAL IN
PIN OVERALL LENGTH4.090 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES 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
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S6121-62764-18?
S6121-62764-18 is a PIN,STRAIGHT,THREADED.
What is the NSN for S6121-62764-18?
S6121-62764-18 is cataloged in the U.S. Government catalog under NSN 5315-00-944-5855. 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.