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GN511K1216 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

GN511K1216: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL OVERALL, nut_style: DOUBLE HEXAGON, temp_rating: 1000.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF, overall_height: 0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-950-8468, 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
GN511K1216
NSN: 5310-00-950-8468
FSC: 5310 — Nuts and Washers
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleDOUBLE HEXAGON
temp_rating1000.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
overall_height0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
washer_thickness0.185 INCHES NOMINAL IN
width_across_flats0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
nominal_thread_size0.750 INCHES IN
washer_outside_diameter1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
NSN5310-00-950-8468
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GN511K1216 · 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
•
WASHER OUTSIDE DIAMETER: 1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
•
WIDTH ACROSS FLATS: 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
TEMP RATING: 1000.0 FAHRENHEIT NOMINAL DEGF
•
WASHER THICKNESS: 0.185 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.750 INCHES IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
THREAD SERIESUNF
TEMP RATING1000.0 FAHRENHEIT NOMINAL DEGF
WASHER THICKNESS0.185 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.750 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT STYLEDOUBLE HEXAGON
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 GN511K1216?
GN511K1216 is a NUT,SELF-LOCKING,EXTENDED WASHER.
What is the NSN for GN511K1216?
GN511K1216 is cataloged in the U.S. Government catalog under NSN 5310-00-950-8468. This indicates validated use in U.S. government and defense supply chains.
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