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74A231320-1005 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

74A231320-1005: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.380 INCHES NOMINAL IN, diameter: 0.4375 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT CHAMFER, undercut_width: 0.064 INCHES NOMINAL IN, first_end_style: CHAMFERED. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-471-6696, 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
74A231320-1005
NSN: 5315-01-471-6696
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
height0.380 INCHES NOMINAL IN
diameter0.4375 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
head_styleFLAT CHAMFER
undercut_width0.064 INCHES NOMINAL IN
first_end_styleCHAMFERED
effective_length6.854 INCHES NOMINAL IN
style_designatorGROOVE
pin_head_diameter0.750 INCHES NOMINAL IN
under_head_length7.238 INCHES NOMINAL IN
undercut_diameter0.3125 INCHES NOMINAL IN
first_hole_diameter0.070 INCHES NOMINAL IN
NSN5315-01-471-6696
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74A231320-1005 · 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: 0.064 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.031 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.3125 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
UNDER HEAD LENGTH: 7.238 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
FIRST HOLE DIAMETER: 0.070 INCHES NOMINAL IN
•
STYLE DESIGNATOR: GROOVE
TECHNICAL CHARACTERISTICS
UNDERCUT WIDTH0.064 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.031 INCHES NOMINAL IN
UNDERCUT DIAMETER0.3125 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
UNDER HEAD LENGTH7.238 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.070 INCHES NOMINAL IN
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER0.750 INCHES NOMINAL IN
DIAMETER0.4375 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 74A231320-1005?
74A231320-1005 is a PIN,GROOVED,HEADED.
What is the NSN for 74A231320-1005?
74A231320-1005 is cataloged in the U.S. Government catalog under NSN 5315-01-471-6696. 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.