R398P4E — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

R398P4E: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNF, overall_height: 0.458 INCHES MAXIMUM IN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-262-6314, 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

R398P4E

NSN: 5310-01-262-6314
FSC: 5310 — Nuts and Washers
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	DOUBLE HEXAGON
thread_class	3B
thread_series	UNF
overall_height	0.458 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
width_across_flats	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
nominal_thread_size	0.375 INCHES IN
washer_outside_diameter	0.598 INCHES MAXIMUM IN
thread_quantity_per_inch	24
material_document_and_classification	AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN	5310-01-262-6314

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.598 INCHES MAXIMUM IN

•

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

•

THREAD SERIES: UNF

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.375 INCHES IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.458 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.598 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
THREAD SERIES	UNF
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.375 INCHES IN
SPECIAL FEATURES	HEAT TREATMENT-SOLUTION TREATED AT 1800 DEG.F PLUS/MINUS 50 DEG FOR 1 TO 4 HRS AND OIL QUENCH OR AIR COOL.AGEHARDEN AT 1300 DEG-1400 DEGF FOR 16 HR.AND AIR COOL;HARDNESS-ESNA RC27-40,KAYNAR RC32-48,SPS RC35-42,VOI-SHAN RC 32-44 DEGF
NUT STYLE	DOUBLE HEXAGON
THREAD CLASS	3B

SUBSTITUTES & CROSS-REFERENCES 8

R398P4HReference document

Same NSN cross-reference

Reference document — Drawing number reference only

R398P4Reference document

Same NSN cross-reference

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

R398P4DReference document

Same NSN cross-reference

Reference document — Drawing number reference only

R398P4BReference document

Same NSN cross-reference

Reference document — Drawing number reference only

R398P4FReference document

Same NSN cross-reference

Reference document — Drawing number reference only

LH3417-064Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

Ready to buy R398P4E?

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 R398P4E?

R398P4E is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace R398P4E?

There are 8 known substitutes for R398P4E: R398P4H, R398P4, R398P4D and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for R398P4E?

R398P4E is cataloged in the U.S. Government catalog under NSN 5310-01-262-6314. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

R398P4E — NUT,SELF-LOCKING,EXTENDED WASHER

Request a Quote — R398P4E