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8909-189-001 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8909-189-001: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include diameter: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, head_style: L SHAPEL SHAPE, head_length: 1.590 INCHES NOMINAL1.590 INCHES NOMINAL IN, style_designator: STRAIGHTSTRAIGHT, pin_head_diameter: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN, under_head_length: 4.030 INCHES NOMINAL4.030 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-370-7988, 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
8909-189-001
NSN: 5315-01-370-7988
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 20722 — THE ENTWISTLE COMPANY LLC (USA)
SPECIFICATIONS
diameter0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
head_styleL SHAPEL SHAPE
head_length1.590 INCHES NOMINAL1.590 INCHES NOMINAL IN
style_designatorSTRAIGHTSTRAIGHT
pin_head_diameter0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
under_head_length4.030 INCHES NOMINAL4.030 INCHES NOMINAL IN
NSN5315-01-370-7988
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8909-189-001 · 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
•
UNDER HEAD LENGTH: 4.030 INCHES NOMINAL4.030 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHTSTRAIGHT
•
PIN HEAD DIAMETER: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
•
DIAMETER: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
•
HEAD STYLE: L SHAPEL SHAPE
•
HEAD LENGTH: 1.590 INCHES NOMINAL1.590 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDER HEAD LENGTH4.030 INCHES NOMINAL4.030 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHTSTRAIGHT
PIN HEAD DIAMETER0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
DIAMETER0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN
HEAD STYLEL SHAPEL SHAPE
HEAD LENGTH1.590 INCHES NOMINAL1.590 INCHES NOMINAL IN
SPECIAL FEATURESWASHER FLAT .5000 DIA. WELDED,AT THE HEAD,ONE HOLE DRILLED ON ONE END,PIN ZINC PLATED .2 TO .5 MILS THICK OLIVE DRAB GREENWASHER FLAT .5000 DIA. WELDED,AT THE HEAD,ONE HOLE DRILLED ON ONE END,PIN ZINC PLATED .2 TO .5 MILS THICK OLIVE DRAB GREEN
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 8909-189-001?
8909-189-001 is a PIN,STRAIGHT,HEADED.
What is the NSN for 8909-189-001?
8909-189-001 is cataloged in the U.S. Government catalog under NSN 5315-01-370-7988. 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.