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74A428071-2009 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

74A428071-2009: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include diameter: 0.250 INCHES NOMINAL IN, undercut_width: 0.154 INCHES NOMINAL IN, effective_length: 1.864 INCHES NOMINAL IN, style_designator: GROOVE, under_head_length: 2.347 INCHES NOMINAL IN, undercut_diameter: 0.191 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-490-6513, 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
74A428071-2009
NSN: 5315-01-490-6513
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
diameter0.250 INCHES NOMINAL IN
undercut_width0.154 INCHES NOMINAL IN
effective_length1.864 INCHES NOMINAL IN
style_designatorGROOVE
under_head_length2.347 INCHES NOMINAL IN
undercut_diameter0.191 INCHES NOMINAL IN
second_undercut_width0.060 INCHES NOMINAL IN
second_undercut_diameter0.354 INCHES NOMINAL IN
NSN5315-01-490-6513
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74A428071-2009 · 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: 0.154 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.191 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 2.347 INCHES NOMINAL IN
•
STYLE DESIGNATOR: GROOVE
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
EFFECTIVE LENGTH: 1.864 INCHES NOMINAL IN
•
SECOND UNDERCUT WIDTH: 0.060 INCHES NOMINAL IN
•
SECOND UNDERCUT DIAMETER: 0.354 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.154 INCHES NOMINAL IN
UNDERCUT DIAMETER0.191 INCHES NOMINAL IN
UNDER HEAD LENGTH2.347 INCHES NOMINAL IN
STYLE DESIGNATORGROOVE
DIAMETER0.250 INCHES NOMINAL IN
EFFECTIVE LENGTH1.864 INCHES NOMINAL IN
SECOND UNDERCUT WIDTH0.060 INCHES NOMINAL IN
SECOND UNDERCUT DIAMETER0.354 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74A428071-2009?
74A428071-2009 is a PIN,GROOVED,HEADED.
What is the NSN for 74A428071-2009?
74A428071-2009 is cataloged in the U.S. Government catalog under NSN 5315-01-490-6513. 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.