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1609237-21 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1609237-21: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL, pin_overall_length: 3.000 INCHES NOMINAL IN, pin_overall_diameter: 0.2503 INCHES NOMINAL IN, second_end_relationship_with_first_end: NOT IDENTICAL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-596-9919, 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
1609237-21
NSN: 5315-01-596-9919
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
special_featuresPIN TAPERS TO A 0.239 INCH DIAMETER ON BOTH ENDS; EXTERNALLY THREADED 8-32NC-2B; 0.375 INCH THREAD LENGTH; 0.169 INCH THRU TABLE IN
pin_overall_length3.000 INCHES NOMINAL IN
pin_overall_diameter0.2503 INCHES NOMINAL IN
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-01-596-9919
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1609237-21 · 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
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
PIN OVERALL DIAMETER: 0.2503 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 3.000 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
•
MATERIAL: STEEL COMP 4140 OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
PIN OVERALL DIAMETER0.2503 INCHES NOMINAL IN
PIN OVERALL LENGTH3.000 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SPECIAL FEATURESPIN TAPERS TO A 0.239 INCH DIAMETER ON BOTH ENDS; EXTERNALLY THREADED 8-32NC-2B; 0.375 INCH THREAD LENGTH; 0.169 INCH THRU TABLE IN
MATERIALSTEEL COMP 4140 OVERALL
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 1609237-21?
1609237-21 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for 1609237-21?
1609237-21 is cataloged in the U.S. Government catalog under NSN 5315-01-596-9919. 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.