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2099509 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2099509: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN, diameter: 0.239 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN, material: NICKEL ALLOY OVERALL, head_style: FLAT CHAMFER, grip_length: 0.633 INCHES NOMINAL IN, first_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-903-2386, 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
2099509
NSN: 5315-00-903-2386
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
height0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
diameter0.239 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN
materialNICKEL ALLOY OVERALL
head_styleFLAT CHAMFER
grip_length0.633 INCHES NOMINAL IN
first_end_styleSQUARE
undercut_radius0.006 INCHES MINIMUM AND 0.026 INCHES MAXIMUM IN
effective_length0.630 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
style_designatorGROOVE
pin_head_diameter0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
under_head_length0.735 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN
undercut_diameter0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
NSN5315-00-903-2386
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2099509 · 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
•
UNDERCUT DIAMETER: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 0.735 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN
•
FIRST END STYLE: SQUARE
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
DIAMETER: 0.239 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN
•
EFFECTIVE LENGTH: 0.630 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT CHAMFER
TECHNICAL CHARACTERISTICS
UNDERCUT DIAMETER0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
UNDER HEAD LENGTH0.735 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN
FIRST END STYLESQUARE
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
DIAMETER0.239 INCHES MINIMUM AND 0.241 INCHES MAXIMUM IN
EFFECTIVE LENGTH0.630 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN
HEAD STYLEFLAT CHAMFER
GRIP LENGTH0.633 INCHES NOMINAL IN
HEIGHT0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2099509?
2099509 is a PIN,GROOVED,HEADED.
What is the NSN for 2099509?
2099509 is cataloged in the U.S. Government catalog under NSN 5315-00-903-2386. 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.