E20020-M20 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

E20020-M20: 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: 22.4 MILLIMETERS MAXIMUM MM, lubrication: DRY FILM LUBRICANT, thread_series: ISO M, hardness_rating: 68.0 ROCKWELL B NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-310-1609, 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

E20020-M20

NSN: 5310-01-310-1609
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	HEXAGON
nut_height	22.4 MILLIMETERS MAXIMUM MM
lubrication	DRY FILM LUBRICANT
thread_series	ISO M
hardness_rating	68.0 ROCKWELL B NOMINAL
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_across_flats	29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM MM
nominal_thread_size	20.0 MILLIMETERS MM
bearing_surface_type	CHAMFERED
NSN	5310-01-310-1609

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WIDTH ACROSS FLATS: 29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM MM

•

THREAD TOLERANCE CLASS: 5H INTERNAL

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: ISO M

•

THREAD PITCH IN MILLIMETERS: 1.50

•

HARDNESS RATING: 68.0 ROCKWELL B NOMINAL

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
WIDTH ACROSS FLATS	29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM MM
THREAD TOLERANCE CLASS	5H INTERNAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	ISO M
THREAD PITCH IN MILLIMETERS	1.50
HARDNESS RATING	68.0 ROCKWELL B NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	20.0 MILLIMETERS MM

SUBSTITUTES & CROSS-REFERENCES 4

75078-M2015Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

5169353Reference document

Same NSN cross-reference

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

BACN10WN20Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

H49889-20MMReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is E20020-M20?

E20020-M20 is a NUT,SELF-LOCKING,HEXAGON.

What parts can replace E20020-M20?

There are 4 known substitutes for E20020-M20: 75078-M2015, 5169353, BACN10WN20 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for E20020-M20?

E20020-M20 is cataloged in the U.S. Government catalog under NSN 5310-01-310-1609. This indicates validated use in U.S. government and defense supply chains.

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