E0104-624 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

E0104-624: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL COMP 302 OVERALL, nut_style: DOUBLE HEXAGON, thread_class: 3B, thread_series: UNF, overall_height: 0.434 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-129-6557, 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

E0104-624

NSN: 5310-01-129-6557
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	STEEL COMP 302 OVERALL
nut_style	DOUBLE HEXAGON
thread_class	3B
thread_series	UNF
overall_height	0.434 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
hardness_rating	26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
precious_material	SILVER
surface_treatment	SILVER OVERALL
width_across_flats	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
NSN	5310-01-129-6557

COMPONENT DIAGRAM

KEY FEATURES

•

WASHER OUTSIDE DIAMETER: 0.603 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN

•

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

•

THREAD SERIES: UNF

•

PRECIOUS MATERIAL: SILVER

•

HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM

•

WASHER THICKNESS: 0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.434 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.603 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNF
PRECIOUS MATERIAL	SILVER
HARDNESS RATING	26.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
WASHER THICKNESS	0.070 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE 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 2

SL3C624Reference document

Same NSN cross-reference

Reference document — Secondary reference

6749294-624Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is E0104-624?

E0104-624 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace E0104-624?

There are 2 known substitutes for E0104-624: SL3C624, 6749294-624. Substitute compatibility should be verified for your specific system.

What is the NSN for E0104-624?

E0104-624 is cataloged in the U.S. Government catalog under NSN 5310-01-129-6557. This indicates validated use in U.S. government and defense supply chains.

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