X18188 — NUT,PLAIN,SLOTTED,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

X18188: NUT,PLAIN,SLOTTED,HEXAGON.

The NUT,PLAIN,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1020 OR STEEL COMP 8637 OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, hardness_rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-199-5302, 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

X18188

NSN: 5310-00-199-5302
FSC: 5310 — Nuts and Washers
CAGE: 31577 — JAEGER MACHINE CO (USA)

SPECIFICATIONS

material	STEEL COMP 1020 OR STEEL COMP 8637 OVERALL
nut_style	SLOTTED, HEXAGON
nut_height	0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
thread_class	3B
thread_series	UNF
hardness_rating	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
thread_direction	RIGHT-HAND
countersink_angle	90.0 DEGREES NOMINAL NUT
width_across_flats	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
nominal_thread_size	0.375 INCHES IN
bearing_surface_type	WASHER FACED
thread_quantity_per_inch	24
NSN	5310-00-199-5302

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN

•

THREAD SERIES: UNF

•

HARDNESS RATING: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-635 FED SPEC 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.375 INCHES IN

•

NUT HEIGHT: 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN

•

COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL NUT

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
THREAD SERIES	UNF
HARDNESS RATING	28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-635 FED SPEC 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES IN
NUT HEIGHT	0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
COUNTERSINK ANGLE	90.0 DEGREES NOMINAL NUT
NUT STYLE	SLOTTED, HEXAGON
THREAD CLASS	3B

SUBSTITUTES & CROSS-REFERENCES 4

3990E9050Reference document

Same NSN cross-reference

Reference document — Secondary reference

10M055Reference document

Same NSN cross-reference

Reference document — Secondary reference

M16828Reference document

Same NSN cross-reference

Reference document — Secondary reference

1309Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

Ready to buy X18188?

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 X18188?

X18188 is a NUT,PLAIN,SLOTTED,HEXAGON.

What parts can replace X18188?

There are 4 known substitutes for X18188: 3990E9050, 10M055, M16828 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for X18188?

X18188 is cataloged in the U.S. Government catalog under NSN 5310-00-199-5302. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

X18188 — NUT,PLAIN,SLOTTED,HEXAGON

Request a Quote — X18188