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8173889 — PIN,TOGGLE,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8173889: PIN,TOGGLE,HEADED.

The PIN,TOGGLE,HEADED is a the manufacturer industrial component. Key specifications include shank_length: 4.000 INCHES NOMINAL IN, special_features: HEXAGON HEAD AND TOGGLE HELD SECURE BY INTERNAL SPRING AND PIN, style_designator: HEADED. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-020-5593, 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
8173889
NSN: 5315-00-020-5593
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
shank_length4.000 INCHES NOMINAL IN
special_featuresHEXAGON HEAD AND TOGGLE HELD SECURE BY INTERNAL SPRING AND PIN
style_designatorHEADED
NSN5315-00-020-5593
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8173889 · 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 LENGTH: 4.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: HEADED
TECHNICAL CHARACTERISTICS
SHANK LENGTH4.000 INCHES NOMINAL IN
STYLE DESIGNATORHEADED
SPECIAL FEATURESHEXAGON HEAD AND TOGGLE HELD SECURE BY INTERNAL SPRING AND PIN
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 8173889?
8173889 is a PIN,TOGGLE,HEADED.
What is the NSN for 8173889?
8173889 is cataloged in the U.S. Government catalog under NSN 5315-00-020-5593. 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.