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721-7286699-17 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

721-7286699-17: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN, diameter: 0.500 INCHES NOMINAL IN, material: NICKEL ALLOY OVERALL, head_style: FLAT CHAMFER, first_end_style: CHAMFERED, undercut_radius: 0.015 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-485-0066, 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
721-7286699-17
NSN: 5315-01-485-0066
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
height0.110 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
diameter0.500 INCHES NOMINAL IN
materialNICKEL ALLOY OVERALL
head_styleFLAT CHAMFER
first_end_styleCHAMFERED
undercut_radius0.015 INCHES MAXIMUM IN
style_designatorGROOVE
pin_head_diameter0.750 INCHES NOMINAL IN
under_head_length2.750 INCHES NOMINAL IN
undercut_diameter0.380 INCHES NOMINAL IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.060 INCHES NOMINAL IN
NSN5315-01-485-0066
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 721-7286699-17 · 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
•
FIRST END TAPER LENGTH: 0.060 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.380 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 2.750 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 0.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.060 INCHES NOMINAL IN
UNDERCUT DIAMETER0.380 INCHES NOMINAL IN
UNDER HEAD LENGTH2.750 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.500 INCHES NOMINAL IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
HEAD STYLEFLAT CHAMFER
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 2
H861-1506-17Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H861-1506Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 721-7286699-17?
721-7286699-17 is a PIN,GROOVED,HEADED.
What parts can replace 721-7286699-17?
There are 2 known substitutes for 721-7286699-17: H861-1506-17, H861-1506. Substitute compatibility should be verified for your specific system.
What is the NSN for 721-7286699-17?
721-7286699-17 is cataloged in the U.S. Government catalog under NSN 5315-01-485-0066. 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.