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SK72016 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SK72016: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, head_style: FLAT CHAMFERFLAT CHAMFER, grip_length: 0.978 INCHES MINIMUM AND 0.978 INCHES MINIMUM AND 0.981 INCHES MAXIMUM0.981 INCHES MAXIMUM IN, first_end_style: SQUARESQUARE, undercut_radius: 0.039 INCHES MINIMUM AND 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM0.042 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-379-4254, 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
SK72016
NSN: 5315-01-379-4254
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 07609 — NAVAL SURFACE WARFARE CENTER DAHLGREN DIV (USA)
SPECIFICATIONS
height0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
diameter0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
head_styleFLAT CHAMFERFLAT CHAMFER
grip_length0.978 INCHES MINIMUM AND 0.978 INCHES MINIMUM AND 0.981 INCHES MAXIMUM0.981 INCHES MAXIMUM IN
first_end_styleSQUARESQUARE
undercut_radius0.039 INCHES MINIMUM AND 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM0.042 INCHES MAXIMUM IN
effective_length0.939 INCHES MINIMUM AND 0.939 INCHES MINIMUM AND 0.942 INCHES MAXIMUM0.942 INCHES MAXIMUM IN
style_designatorGROOVEGROOVE
pin_head_diameter0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
under_head_length1.105 INCHES NOMINAL1.105 INCHES NOMINAL IN
undercut_diameter0.300 INCHES MINIMUM AND 0.300 INCHES MINIMUM AND 0.306 INCHES MAXIMUM0.306 INCHES MAXIMUM IN
second_undercut_radius0.039 INCHES MINIMUM AND 0.039 INCHES MINIMUM AND 0.042 INCHES MAXIMUM0.042 INCHES MAXIMUM IN
NSN5315-01-379-4254
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SK72016 · 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: 0.300 INCHES MINIMUM AND 0.300 INCHES MINIMUM AND 0.306 INCHES MAXIMUM0.306 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 1.105 INCHES NOMINAL1.105 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARESQUARE
•
STYLE DESIGNATOR: GROOVEGROOVE
•
PIN HEAD DIAMETER: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
•
DIAMETER: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
•
EFFECTIVE LENGTH: 0.939 INCHES MINIMUM AND 0.939 INCHES MINIMUM AND 0.942 INCHES MAXIMUM0.942 INCHES MAXIMUM IN
•
HEAD STYLE: FLAT CHAMFERFLAT CHAMFER
TECHNICAL CHARACTERISTICS
UNDERCUT DIAMETER0.300 INCHES MINIMUM AND 0.300 INCHES MINIMUM AND 0.306 INCHES MAXIMUM0.306 INCHES MAXIMUM IN
UNDER HEAD LENGTH1.105 INCHES NOMINAL1.105 INCHES NOMINAL IN
FIRST END STYLESQUARESQUARE
STYLE DESIGNATORGROOVEGROOVE
PIN HEAD DIAMETER0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
DIAMETER0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
EFFECTIVE LENGTH0.939 INCHES MINIMUM AND 0.939 INCHES MINIMUM AND 0.942 INCHES MAXIMUM0.942 INCHES MAXIMUM IN
HEAD STYLEFLAT CHAMFERFLAT CHAMFER
GRIP LENGTH0.978 INCHES MINIMUM AND 0.978 INCHES MINIMUM AND 0.981 INCHES MAXIMUM0.981 INCHES MAXIMUM IN
HEIGHT0.125 INCHES NOMINAL0.125 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SK72016?
SK72016 is a PIN,GROOVED,HEADED.
What is the NSN for SK72016?
SK72016 is cataloged in the U.S. Government catalog under NSN 5315-01-379-4254. 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.