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20-1645-2 — PIN,STRAIGHT,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

20-1645-2: PIN,STRAIGHT,HEADED.

The PIN,STRAIGHT,HEADED is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, special_features: DHEAD DRILLED 1.250 IN. DEEP,1/4-20 UNC IN, style_designator: STRAIGHT, first_hole_diameter: 0.188 INCHES NOMINAL IN, hole_arrangement_style: ONE END DRILLED, distance_from_centerline_of_hole_to_end_of_pin: 0.250 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5315-01-209-9592, 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
20-1645-2
NSN: 5315-01-209-9592
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 62920 — TRANSACT INTL INC (USA)
SPECIFICATIONS
head_styleFLAT CHAMFER
special_featuresDHEAD DRILLED 1.250 IN. DEEP,1/4-20 UNC IN
style_designatorSTRAIGHT
first_hole_diameter0.188 INCHES NOMINAL IN
hole_arrangement_styleONE END DRILLED
distance_from_centerline_of_hole_to_end_of_pin0.250 INCHES NOMINAL IN
NSN5315-01-209-9592
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 20-1645-2 · 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
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
FIRST HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
STYLE DESIGNATOR: STRAIGHT
•
HEAD STYLE: FLAT CHAMFER
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HOLE ARRANGEMENT STYLEONE END DRILLED
FIRST HOLE DIAMETER0.188 INCHES NOMINAL IN
STYLE DESIGNATORSTRAIGHT
HEAD STYLEFLAT CHAMFER
SPECIAL FEATURESDHEAD DRILLED 1.250 IN. DEEP,1/4-20 UNC IN
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.250 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 20-1645-2?
20-1645-2 is a PIN,STRAIGHT,HEADED.
What is the NSN for 20-1645-2?
20-1645-2 is cataloged in the U.S. Government catalog under NSN 5315-01-209-9592. 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.