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124-6938645 PART 175 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

124-6938645 PART 175: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, shank_length: 2.000 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.500 INCHES NOMINAL IN, overall_length: 2.625 INCHES NOMINAL IN, shank_diameter: 0.3125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-503-3975, 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
124-6938645 PART 175
NSN: 5315-01-503-3975
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
shank_length2.000 INCHES NOMINAL IN
thread_class2A A
thread_length0.500 INCHES NOMINAL IN
overall_length2.625 INCHES NOMINAL IN
shank_diameter0.3125 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleSQUARE
special_featuresSECOND END THREADED
style_designatorSHOULDER
thread_directionRIGHT-HAND
shoulder_diameter0.5625 INCHES NOMINAL IN
NSN5315-01-503-3975
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-6938645 PART 175 · 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: 0.3125 INCHES NOMINAL IN
•
SECOND SHANK DIAMETER: 0.3125 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.0312 INCHES NOMINAL IN
•
FIRST END LOCATION: CHAMFERED END
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
SHANK LENGTH: 2.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.3125 INCHES NOMINAL IN
SECOND SHANK DIAMETER0.3125 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.0312 INCHES NOMINAL IN
FIRST END LOCATIONCHAMFERED END
THREAD LENGTH0.500 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
SHANK LENGTH2.000 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, CD A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH2.625 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 124-6938645 PART 175?
124-6938645 PART 175 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 124-6938645 PART 175?
124-6938645 PART 175 is cataloged in the U.S. Government catalog under NSN 5315-01-503-3975. 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.