4-40HEXNUTUNC18-8SS — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

4-40HEXNUTUNC18-8SS: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, nut_height: 0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-822-2974, 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

4-40HEXNUTUNC18-8SS

NSN: 5310-00-822-2974
FSC: 5310 — Nuts and Washers
CAGE: 70318 — ALLMETAL SCREW PRODUCTS CORP (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
nut_style	HEXAGON
nut_height	0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
thread_class	2B
thread_series	UNIFIED NATIONAL COARSE (UNC)
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_across_flats	0.188 INCHES NOMINAL IN
nominal_thread_size	0.112 INCHES IN
bearing_surface_type	FLAT
thread_quantity_per_inch	40
NSN	5310-00-822-2974

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.188 INCHES NOMINAL IN

•

THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.112 INCHES IN

•

NUT HEIGHT: 0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

•

NUT STYLE: HEXAGON

•

THREAD CLASS: 2B

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.188 INCHES NOMINAL IN
THREAD SERIES	UNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.112 INCHES IN
NUT HEIGHT	0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
SURFACE TREATMENT	PASSIVATE OVERALL
NUT STYLE	HEXAGON
THREAD CLASS	2B
THREAD QUANTITY PER INCH	40
MATERIAL	STEEL CORROSION RESISTING OVERALL

SUBSTITUTES & CROSS-REFERENCES 2

MHNMD4CSSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

4-40NC2BReference document

Same NSN cross-reference

Reference document — Design control — primary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4-40HEXNUTUNC18-8SS?

4-40HEXNUTUNC18-8SS is a NUT,PLAIN,HEXAGON.

What parts can replace 4-40HEXNUTUNC18-8SS?

There are 2 known substitutes for 4-40HEXNUTUNC18-8SS: MHNMD4CS, 4-40NC2B. Substitute compatibility should be verified for your specific system.

What is the NSN for 4-40HEXNUTUNC18-8SS?

4-40HEXNUTUNC18-8SS is cataloged in the U.S. Government catalog under NSN 5310-00-822-2974. This indicates validated use in U.S. government and defense supply chains.

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