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7305399 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7305399: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.869 INCHES MINIMUM AND 0.872 INCHES MAXIMUM IN, material: STEEL OVERALL, overall_length: 2.484 INCHES MINIMUM AND 2.516 INCHES MAXIMUM IN, undercut_width: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, first_end_style: SQUARE, hardness_rating: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-127-2201, 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
7305399
NSN: 5315-00-127-2201
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 19206 — ARMY, UNITED STATES DEPARTMENT OF THE DBA WATERVLIET ARSENAL DIV BUSINESS DEVELOPMENT (USA)
SPECIFICATIONS
diameter0.869 INCHES MINIMUM AND 0.872 INCHES MAXIMUM IN
materialSTEEL OVERALL
overall_length2.484 INCHES MINIMUM AND 2.516 INCHES MAXIMUM IN
undercut_width0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
first_end_styleSQUARE
hardness_rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
effective_length1.047 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN
style_designatorGROOVE
surface_treatmentPHOSPHATE OVERALL
undercut_diameter0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
first_end_locationBOTH ENDS
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-127-2201
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7305399 · 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: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
UNDERCUT DIAMETER: 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
•
FIRST END LOCATION: BOTH ENDS
•
FIRST END STYLE: SQUARE
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: GROOVE
•
DIAMETER: 0.869 INCHES MINIMUM AND 0.872 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
UNDERCUT DIAMETER0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN
FIRST END LOCATIONBOTH ENDS
FIRST END STYLESQUARE
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORGROOVE
DIAMETER0.869 INCHES MINIMUM AND 0.872 INCHES MAXIMUM IN
OVERALL LENGTH2.484 INCHES MINIMUM AND 2.516 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
EFFECTIVE LENGTH1.047 INCHES MINIMUM AND 1.078 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 1
5315001272201Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7305399?
7305399 is a PIN,GROOVED,HEADLESS.
What parts can replace 7305399?
There is 1 known substitute for 7305399: 5315001272201. Substitute compatibility should be verified for your specific system.
What is the NSN for 7305399?
7305399 is cataloged in the U.S. Government catalog under NSN 5315-00-127-2201. 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.