59660-428 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

59660-428: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: HEXAGON, nut_height: 0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN, thread_class: 3BG, 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 5310-00-997-3258, 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

59660-428

NSN: 5310-00-997-3258
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	HEXAGON
nut_height	0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
thread_class	3BG
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
precious_material	SILVER
surface_treatment	SILVER OVERALL
width_across_flats	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
nominal_thread_size	0.250 INCHES IN
bearing_surface_type	CHAMFERED
NSN	5310-00-997-3258

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

PRECIOUS MATERIAL: SILVER

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.250 INCHES IN

•

LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
PRECIOUS MATERIAL	SILVER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT	0.400 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN
SURFACE TREATMENT	SILVER OVERALL

SUBSTITUTES & CROSS-REFERENCES 4

489256Reference document

Same NSN cross-reference

Reference document — Secondary reference

489274Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

Z6729-048Reference document

Same NSN cross-reference

Reference document — Secondary reference

489273Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

Ready to buy 59660-428?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is 59660-428?

59660-428 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace 59660-428?

There are 4 known substitutes for 59660-428: 489256, 489274, Z6729-048 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 59660-428?

59660-428 is cataloged in the U.S. Government catalog under NSN 5310-00-997-3258. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

59660-428 — NUT,SELF-LOCKING,HEXAGON

Request a Quote — 59660-428