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8167941 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8167941: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 1.375 INCHES NOMINAL IN, material: STEEL OVERALL, overall_length: 3.437 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES OVERALL, undercut_width: 0.056 INCHES NOMINAL IN, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-571-3976, 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
8167941
NSN: 5315-00-571-3976
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
diameter1.375 INCHES NOMINAL IN
materialSTEEL OVERALL
overall_length3.437 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES OVERALL
undercut_width0.056 INCHES NOMINAL IN
first_end_styleCHAMFERED
effective_length3.018 INCHES NOMINAL IN
style_designatorGROOVE
surface_treatmentCADMIUM OVERALL
undercut_diameter1.310 INCHES NOMINAL IN
first_end_locationBOTH ENDS
first_end_taper_angle45.0 DEGREES NOMINAL
NSN5315-00-571-3976
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8167941 · 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
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
UNDERCUT WIDTH: 0.056 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.062 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 1.310 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: CHAMFERED
•
STYLE DESIGNATOR: GROOVE
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
UNDERCUT WIDTH0.056 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.062 INCHES NOMINAL IN
UNDERCUT DIAMETER1.310 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLECHAMFERED
STYLE DESIGNATORGROOVE
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A400-69,CLASS C3 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER1.375 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 8167941?
8167941 is a PIN,GROOVED,HEADLESS.
What is the NSN for 8167941?
8167941 is cataloged in the U.S. Government catalog under NSN 5315-00-571-3976. 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.