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EW-2300AAITEM42 — PIN,GROOVED,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

EW-2300AAITEM42: PIN,GROOVED,HEADLESS.

The PIN,GROOVED,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.373 INCHES MINIMUM AND 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM0.374 INCHES MAXIMUM IN, overall_length: 2.497 INCHES MINIMUM AND 2.497 INCHES MINIMUM AND 2.503 INCHES MAXIMUM2.503 INCHES MAXIMUM IN, undercut_width: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, first_end_style: SQUARESQUARE, effective_length: 1.343 INCHES NOMINAL1.343 INCHES NOMINAL IN, special_features: BOTH ENDS ARE THREADED 5/16-18UNC-2A.BOTH ENDS ARE THREADED 5/16-18UNC-2A. A.

This part is cataloged in the U.S. Government catalog under NSN 5315-01-377-0286, 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
EW-2300AAITEM42
NSN: 5315-01-377-0286
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 65427 — DC FABRICATORS INC (USA)
SPECIFICATIONS
diameter0.373 INCHES MINIMUM AND 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM0.374 INCHES MAXIMUM IN
overall_length2.497 INCHES MINIMUM AND 2.497 INCHES MINIMUM AND 2.503 INCHES MAXIMUM2.503 INCHES MAXIMUM IN
undercut_width0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
first_end_styleSQUARESQUARE
effective_length1.343 INCHES NOMINAL1.343 INCHES NOMINAL IN
special_featuresBOTH ENDS ARE THREADED 5/16-18UNC-2A.BOTH ENDS ARE THREADED 5/16-18UNC-2A. A
style_designatorGROOVEGROOVE
first_end_locationBOTH ENDSBOTH ENDS
second_undercut_width0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICALIDENTICAL
NSN5315-01-377-0286
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: EW-2300AAITEM42 · 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: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
•
FIRST END LOCATION: BOTH ENDSBOTH ENDS
•
FIRST END STYLE: SQUARESQUARE
•
STYLE DESIGNATOR: GROOVEGROOVE
•
DIAMETER: 0.373 INCHES MINIMUM AND 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM0.374 INCHES MAXIMUM IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICALIDENTICAL
•
EFFECTIVE LENGTH: 1.343 INCHES NOMINAL1.343 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDSBOTH ENDS
FIRST END STYLESQUARESQUARE
STYLE DESIGNATORGROOVEGROOVE
DIAMETER0.373 INCHES MINIMUM AND 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM0.374 INCHES MAXIMUM IN
OVERALL LENGTH2.497 INCHES MINIMUM AND 2.497 INCHES MINIMUM AND 2.503 INCHES MAXIMUM2.503 INCHES MAXIMUM IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICALIDENTICAL
EFFECTIVE LENGTH1.343 INCHES NOMINAL1.343 INCHES NOMINAL IN
SECOND UNDERCUT WIDTH0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
SPECIAL FEATURESBOTH ENDS ARE THREADED 5/16-18UNC-2A.BOTH ENDS ARE THREADED 5/16-18UNC-2A. A
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 EW-2300AAITEM42?
EW-2300AAITEM42 is a PIN,GROOVED,HEADLESS.
What is the NSN for EW-2300AAITEM42?
EW-2300AAITEM42 is cataloged in the U.S. Government catalog under NSN 5315-01-377-0286. 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.