490265 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

490265: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OVERALL, nut_style: HEXAGON, nut_height: 0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-922-9003, 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

490265

NSN: 5310-00-922-9003
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	STEEL COMP 1137 OVERALL
nut_style	HEXAGON
nut_height	0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
countersink_angle	85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
surface_treatment	CADMIUM OVERALL
width_across_flats	0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
nominal_thread_size	0.190 INCHES IN
bearing_surface_type	CHAMFERED
NSN	5310-00-922-9003

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.190 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

•

NUT HEIGHT: 0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.365 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5024 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.190 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	0.235 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
SURFACE TREATMENT	CADMIUM OVERALL
COUNTERSINK ANGLE	85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT

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

D52Z6624-02Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 490265?

490265 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 490265?

There is 1 known substitute for 490265: D52Z6624-02. Substitute compatibility should be verified for your specific system.

What is the NSN for 490265?

490265 is cataloged in the U.S. Government catalog under NSN 5310-00-922-9003. This indicates validated use in U.S. government and defense supply chains.

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490265 — NUT,SELF-LOCKING,HEXAGON

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