488353 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

488353: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3BG, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN, locking_feature: PREVAILING TORQUE ALL METAL DESIGN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-945-0835, 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

488353

NSN: 5310-00-945-0835
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	DOUBLE HEXAGON
thread_class	3BG
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
width_across_flats	0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
nominal_thread_size	0.190 INCHES IN
washer_outside_diameter	0.380 INCHES NOMINAL IN
thread_quantity_per_inch	32
NSN	5310-00-945-0835

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.380 INCHES NOMINAL IN

•

WIDTH ACROSS FLATS: 0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

WASHER THICKNESS: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.190 INCHES IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.340 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.380 INCHES NOMINAL IN
WIDTH ACROSS FLATS	0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
WASHER THICKNESS	0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 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 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

Z6630-02KReference 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 488353?

488353 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace 488353?

There is 1 known substitute for 488353: Z6630-02K. Substitute compatibility should be verified for your specific system.

What is the NSN for 488353?

488353 is cataloged in the U.S. Government catalog under NSN 5310-00-945-0835. This indicates validated use in U.S. government and defense supply chains.

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488353 — NUT,SELF-LOCKING,EXTENDED WASHER

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