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720121-4 — PIN,GROOVED,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

720121-4: PIN,GROOVED,HEADED.

The PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.035 INCHES NOMINAL IN, head_style: ROUND W/WRENCH FLATS, first_end_style: CHAMFERED, style_designator: GROOVE, under_head_length: 0.480 INCHES NOMINAL IN, distance_from_centerline_of_hole_to_end_of_pin: 0.057 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-068-1969, 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
720121-4
NSN: 5315-01-068-1969
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
height0.035 INCHES NOMINAL IN
head_styleROUND W/WRENCH FLATS
first_end_styleCHAMFERED
style_designatorGROOVE
under_head_length0.480 INCHES NOMINAL IN
distance_from_centerline_of_hole_to_end_of_pin0.057 INCHES NOMINAL IN
NSN5315-01-068-1969
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 720121-4 · 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
•
UNDER HEAD LENGTH: 0.480 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
STYLE DESIGNATOR: GROOVE
•
HEAD STYLE: ROUND W/WRENCH FLATS
•
HEIGHT: 0.035 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 0.057 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
UNDER HEAD LENGTH0.480 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
STYLE DESIGNATORGROOVE
HEAD STYLEROUND W/WRENCH FLATS
HEIGHT0.035 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.057 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 720121-4?
720121-4 is a PIN,GROOVED,HEADED.
What is the NSN for 720121-4?
720121-4 is cataloged in the U.S. Government catalog under NSN 5315-01-068-1969. 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.