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8173886 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8173886: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, shank_length: 1.563 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.875 INCHES NOMINAL IN, overall_length: 4.344 INCHES NOMINAL IN, shank_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-561-8154, 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
8173886
NSN: 5315-00-561-8154
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
shank_length1.563 INCHES NOMINAL IN
thread_class2A A
thread_length0.875 INCHES NOMINAL IN
overall_length4.344 INCHES NOMINAL IN
shank_diameter0.500 INCHES NOMINAL IN
first_end_styleCHAMFERED
hardness_rating25.0 ROCKWELL C NOMINAL OVERALL
second_end_styleCHAMFERED
style_designatorSHOULDER
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
NSN5315-00-561-8154
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8173886 · 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: 0.500 INCHES NOMINAL IN
•
SECOND SHANK DIAMETER: 0.500 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
FIRST END LOCATION: SHORT SHANK END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 171,5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
•
SECOND END TAPER ANGLE: 30.0 DEGREES NOMINAL
•
THREAD LENGTH: 0.875 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.500 INCHES NOMINAL IN
SECOND SHANK DIAMETER0.500 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
FIRST END LOCATIONSHORT SHANK END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION171,5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL
SECOND END TAPER ANGLE30.0 DEGREES NOMINAL
THREAD LENGTH0.875 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
HARDNESS RATING25.0 ROCKWELL C NOMINAL OVERALL
SHANK LENGTH1.563 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 8173886?
8173886 is a PIN,SHOULDER,HEADLESS.
What is the NSN for 8173886?
8173886 is cataloged in the U.S. Government catalog under NSN 5315-00-561-8154. 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.