12286996-2 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

12286996-2: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.565 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN, hardness_rating: 24.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-683-7565, 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

12286996-2

NSN: 5310-01-683-7565
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
nut_style	DOUBLE HEXAGON
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.565 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
hardness_rating	24.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.100 INCHES MINIMUM IN
precious_material	SILVER
surface_treatment	SILVER OVERALL
width_across_flats	0.618 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
NSN	5310-01-683-7565

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.786 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.618 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2411 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

PRECIOUS MATERIAL: SILVER

•

HARDNESS RATING: 24.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM

•

WASHER THICKNESS: 0.100 INCHES MINIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.565 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.786 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.618 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2411 NATIONAL STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
PRECIOUS MATERIAL	SILVER
HARDNESS RATING	24.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM
WASHER THICKNESS	0.100 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 7251 NATIONAL STD SINGLE MATERIAL RESPONSE OR AMS 5737 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND

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 12286996-2?

12286996-2 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What is the NSN for 12286996-2?

12286996-2 is cataloged in the U.S. Government catalog under NSN 5310-01-683-7565. This indicates validated use in U.S. government and defense supply chains.

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12286996-2 — NUT,SELF-LOCKING,EXTENDED WASHER

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