PartsTable
Technical Data Sheet
Download PDF

69-4521 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
Legrand · NUT WASHER
PRODUCT OVERVIEW

69-4521: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a Legrand industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-00-169-8059, 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
69-4521
NSN: 5315-00-169-8059
NIINs: 001698059, 011152098
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMATL 440 CRES,CHROME QQ-C-320 CL 2,LGTH 0.686 IN.,WIDTH 0.374 IN.,THKS 0.075 IN.,HARDNESS RC 28 MAX,DRILL 4 NO. 74 0.020 IN. DP ON CORNERS IN
NSN5315-00-169-8059
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 69-4521 · Legrand ⚠ 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
•
SHANK DIAMETER: 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
•
SURFACE FINISH: 63.0 MICROINCHES SHANK END
•
FIRST END LOCATION: SHORT SHANK END
•
FIRST END STYLE: ROUND
•
SHANK LENGTH: 0.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225 TEMPER T 4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.186 INCHES MINIMUM AND 0.187 INCHES MAXIMUM IN
SURFACE FINISH63.0 MICROINCHES SHANK END
FIRST END LOCATIONSHORT SHANK END
FIRST END STYLEROUND
SHANK LENGTH0.250 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225 TEMPER T 4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH1.310 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy 69-4521?
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 69-4521?
69-4521 is a PIN,SHOULDER,HEADLESS manufactured by Legrand.
What is the NSN for 69-4521?
69-4521 is cataloged in the U.S. Government catalog under NSN 5315-00-169-8059. 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 — 69-4521

✓ 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.