PartsTable
Technical Data Sheet
Download PDF

74A410689-2001 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

74A410689-2001: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.125 INCHES NOMINAL IN, diameter: 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, material: STEEL OVERALL, head_style: DEE CHAMFER, surface_finish: 16.0 MICROINCHES OUTSIDE DIAMETER, first_end_style: COUNTERSUNK. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-121-1858, 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
74A410689-2001
NSN: 5315-01-121-1858
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
height0.125 INCHES NOMINAL IN
diameter0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
materialSTEEL OVERALL
head_styleDEE CHAMFER
surface_finish16.0 MICROINCHES OUTSIDE DIAMETER
first_end_styleCOUNTERSUNK
undercut_radius0.030 INCHES NOMINAL IN
special_featuresINTERNAL THD 0.375-24 UNJF-3B,0.480 IN. LG IN
style_designatorGROOVE
pin_head_diameter1.125 INCHES NOMINAL IN
under_head_length1.255 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
undercut_diameter0.680 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
NSN5315-01-121-1858
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74A410689-2001 · 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
•
SURFACE FINISH: 16.0 MICROINCHES OUTSIDE DIAMETER
•
UNDERCUT DIAMETER: 0.680 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
•
FIRST END COUNTERSINK DIAMETER: 0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
•
DISTANCE FROM CENTERLINE TO FLAT: 0.493 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 1.255 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
•
FIRST END STYLE: COUNTERSUNK
•
STYLE DESIGNATOR: GROOVE
•
PIN HEAD DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH16.0 MICROINCHES OUTSIDE DIAMETER
UNDERCUT DIAMETER0.680 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
FIRST END COUNTERSINK DIAMETER0.375 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN
DISTANCE FROM CENTERLINE TO FLAT0.493 INCHES MINIMUM AND 0.498 INCHES MAXIMUM IN
UNDER HEAD LENGTH1.255 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
FIRST END STYLECOUNTERSUNK
STYLE DESIGNATORGROOVE
PIN HEAD DIAMETER1.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6526 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.749 INCHES MINIMUM AND 0.750 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 74A410689-2001?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 74A410689-2001?
74A410689-2001 is a PIN,GROOVED,HEADED.
What is the NSN for 74A410689-2001?
74A410689-2001 is cataloged in the U.S. Government catalog under NSN 5315-01-121-1858. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 74A410689-2001

✓ 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.