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3H9676 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3H9676: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.3126 INCHES MINIMUM AND 0.3129 INCHES MAXIMUM IN, material: STEEL OVERALL, overall_length: 1.938 INCHES NOMINAL IN, undercut_width: 0.163 INCHES NOMINAL IN, first_end_style: CHAMFERED, hardness_rating: 60.0 ROCKWELL C NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-334-7172, 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
3H9676
NSN: 5315-00-334-7172
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
diameter0.3126 INCHES MINIMUM AND 0.3129 INCHES MAXIMUM IN
materialSTEEL OVERALL
overall_length1.938 INCHES NOMINAL IN
undercut_width0.163 INCHES NOMINAL IN
first_end_styleCHAMFERED
hardness_rating60.0 ROCKWELL C NOMINAL OVERALL
undercut_radius0.094 INCHES NOMINAL IN
effective_length1.337 INCHES NOMINAL IN
style_designatorGROOVE
undercut_diameter0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
first_end_taper_angle45.0 DEGREES NOMINAL
NSN5315-00-334-7172
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3H9676 · 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 WIDTH: 0.163 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: CHAMFERED
•
HARDNESS RATING: 60.0 ROCKWELL C NOMINAL OVERALL
•
STYLE DESIGNATOR: GROOVE
•
DIAMETER: 0.3126 INCHES MINIMUM AND 0.3129 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.163 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
UNDERCUT DIAMETER0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLECHAMFERED
HARDNESS RATING60.0 ROCKWELL C NOMINAL OVERALL
STYLE DESIGNATORGROOVE
DIAMETER0.3126 INCHES MINIMUM AND 0.3129 INCHES MAXIMUM IN
OVERALL LENGTH1.938 INCHES NOMINAL IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
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 3H9676?
3H9676 is a PIN,GROOVED,HEADLESS.
What is the NSN for 3H9676?
3H9676 is cataloged in the U.S. Government catalog under NSN 5315-00-334-7172. 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.