57522-1216 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

57522-1216: 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

57522-1216

NSN: 5310-00-950-8468
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

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
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.185 INCHES NOMINAL IN
width_across_flats	0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
nominal_thread_size	0.750 INCHES IN
washer_outside_diameter	1.240 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
NSN	5310-00-950-8468

COMPONENT DIAGRAM

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 HEIGHT	0.776 INCHES MINIMUM AND 0.786 INCHES MAXIMUM IN
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
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT STYLE	DOUBLE 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 1

GN511K1216Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 57522-1216?

57522-1216 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace 57522-1216?

There is 1 known substitute for 57522-1216: GN511K1216. Substitute compatibility should be verified for your specific system.

What is the NSN for 57522-1216?

57522-1216 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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57522-1216 — NUT,SELF-LOCKING,EXTENDED WASHER

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