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5166031 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5166031: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.250 INCHES NOMINAL IN, material: STEEL COMP 303 OVERALL, overall_length: 0.650 INCHES NOMINAL IN, undercut_width: 0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN, first_end_style: SQUARE, effective_length: 0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-118-5092, 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
5166031
NSN: 5315-01-118-5092
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
materialSTEEL COMP 303 OVERALL
overall_length0.650 INCHES NOMINAL IN
undercut_width0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
first_end_styleSQUARE
effective_length0.500 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN
style_designatorGROOVE
surface_treatmentPASSIVATE OVERALL
undercut_diameter0.228 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
second_undercut_width0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
material_document_and_classificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5315-01-118-5092
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5166031 · 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
•
UNDERCUT WIDTH: 0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.228 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: SQUARE
•
STYLE DESIGNATOR: GROOVE
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.029 INCHES MINIMUM AND 0.031 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.228 INCHES MINIMUM AND 0.232 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLESQUARE
STYLE DESIGNATORGROOVE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.250 INCHES NOMINAL IN
OVERALL LENGTH0.650 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
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 5166031?
5166031 is a PIN,GROOVED,HEADLESS.
What is the NSN for 5166031?
5166031 is cataloged in the U.S. Government catalog under NSN 5315-01-118-5092. This indicates validated use in U.S. government and defense supply chains.
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