R418F4 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

R418F4: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL, nut_style: DOUBLE HEXAGON, temp_rating: 800.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNF, overall_height: 0.454 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-596-8166, 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

R418F4

NSN: 5310-00-596-8166
FSC: 5310 — Nuts and Washers
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)

SPECIFICATIONS

material	STEEL COMP 303 OR STEEL COMP 303SE OR STEEL COMP 303 PLUS X OVERALL
nut_style	DOUBLE HEXAGON
temp_rating	800.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNF
overall_height	0.454 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.097 INCHES NOMINAL IN
precious_material	SILVER
surface_treatment	SILVER OVERALL
width_across_flats	0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
NSN	5310-00-596-8166

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.692 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN

•

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

•

THREAD SERIES: UNF

•

PRECIOUS MATERIAL: SILVER

•

TEMP RATING: 800.0 FAHRENHEIT NOMINAL DEGF

•

WASHER THICKNESS: 0.097 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.454 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.692 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNF
PRECIOUS MATERIAL	SILVER
TEMP RATING	800.0 FAHRENHEIT NOMINAL DEGF
WASHER THICKNESS	0.097 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5640 ASSN STD ALL MATERIAL RESPONSES OVERALL
THREAD DIRECTION	RIGHT-HAND

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 3

R418P4AReference document

Same NSN cross-reference

Reference document — Secondary reference

70Z1835-070Reference document

Same NSN cross-reference

Reference document — Secondary reference

MILN25027Reference document

Same NSN cross-reference

Reference document — Identification reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

Ready to buy R418F4?

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 R418F4?

R418F4 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace R418F4?

There are 3 known substitutes for R418F4: R418P4A, 70Z1835-070, MILN25027. Substitute compatibility should be verified for your specific system.

What is the NSN for R418F4?

R418F4 is cataloged in the U.S. Government catalog under NSN 5310-00-596-8166. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

R418F4 — NUT,SELF-LOCKING,EXTENDED WASHER

Request a Quote — R418F4