FN22-1612 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

FN22-1612: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 8740 OR STEEL OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNF, overall_height: 0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-264-9147, 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

FN22-1612

NSN: 5310-01-264-9147
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OR STEEL OVERALL
nut_style	DOUBLE HEXAGON
thread_class	3B
thread_series	UNF
overall_height	0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
hardness_rating	40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.185 INCHES NOMINAL IN
surface_treatment	CADMIUM OVERALL
width_across_flats	1.115 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN
nominal_thread_size	1.000 INCHES IN
NSN	5310-01-264-9147

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 1.115 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN

•

THREAD SERIES: UNF

•

HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM

•

WASHER THICKNESS: 0.185 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6485 ASSN STD 2ND MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.950 INCHES MINIMUM AND 0.970 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	1.615 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	1.115 INCHES MINIMUM AND 1.127 INCHES MAXIMUM IN
THREAD SERIES	UNF
HARDNESS RATING	40.0 ROCKWELL C MINIMUM AND 47.0 ROCKWELL C MAXIMUM
WASHER THICKNESS	0.185 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6485 ASSN STD 2ND MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	1.000 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN

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

771A308-012Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 FN22-1612?

FN22-1612 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace FN22-1612?

There is 1 known substitute for FN22-1612: 771A308-012. Substitute compatibility should be verified for your specific system.

What is the NSN for FN22-1612?

FN22-1612 is cataloged in the U.S. Government catalog under NSN 5310-01-264-9147. This indicates validated use in U.S. government and defense supply chains.

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FN22-1612 — NUT,SELF-LOCKING,EXTENDED WASHER

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