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176C2254 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

176C2254: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, shank_length: 0.625 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN, overall_length: 0.935 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN, shank_diameter: 0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES OVERALL, undercut_width: 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-273-0856, 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
176C2254
NSN: 5315-01-273-0856
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 05606 — GENERAL DYNAMICS-OTS, INC. DIV ORDNANCE AND TACTICAL SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
shank_length0.625 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
overall_length0.935 INCHES MINIMUM AND 0.945 INCHES MAXIMUM IN
shank_diameter0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES OVERALL
undercut_width0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
first_end_styleROUND
second_end_styleSQUARE
style_designatorUNDERCUT
shoulder_diameter0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
first_end_locationROUND END
NSN5315-01-273-0856
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 176C2254 · 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: 0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
UNDERCUT WIDTH: 0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
•
FIRST END LOCATION: ROUND END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: ROUND
•
SHANK LENGTH: 0.625 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.618 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
SURFACE FINISH125.0 MICROINCHES OVERALL
UNDERCUT WIDTH0.090 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
FIRST END LOCATIONROUND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-STD-171 MIL STD SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLEROUND
SHANK LENGTH0.625 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN
STYLE DESIGNATORUNDERCUT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
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 176C2254?
176C2254 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 176C2254?
176C2254 is cataloged in the U.S. Government catalog under NSN 5315-01-273-0856. 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.