AS5178W04 — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

AS5178W04: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 OVERALL, nut_style: HEXAGON, nut_height: 0.250 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-548-3523, 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

AS5178W04

NSN: 5310-01-548-3523
FSC: 5310 — Nuts and Washers
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 7075 OVERALL
nut_style	HEXAGON
nut_height	0.250 INCHES NOMINAL IN
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
thread_direction	RIGHT-HAND
countersink_angle	90.0 DEGREES NOMINAL NUT
width_across_flats	0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
nominal_thread_size	0.438 INCHES IN
bearing_surface_type	CHAMFERED
end_item_identification	F-22 RAPTOR
thread_quantity_per_inch	20
NSN	5310-01-548-3523

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 0.438 INCHES IN

•

NUT HEIGHT: 0.250 INCHES NOMINAL IN

•

COUNTERSINK ANGLE: 90.0 DEGREES NOMINAL NUT

•

NUT STYLE: HEXAGON

•

THREAD CLASS: 3B

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.438 INCHES IN
NUT HEIGHT	0.250 INCHES NOMINAL IN
COUNTERSINK ANGLE	90.0 DEGREES NOMINAL NUT
NUT STYLE	HEXAGON
THREAD CLASS	3B
END ITEM IDENTIFICATION	F-22 RAPTOR
THREAD QUANTITY PER INCH	20

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 1

5310PL1561237Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

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

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FREQUENTLY ASKED QUESTIONS

What is AS5178W04?

AS5178W04 is a NUT,PLAIN,HEXAGON.

What parts can replace AS5178W04?

There is 1 known substitute for AS5178W04: 5310PL1561237. Substitute compatibility should be verified for your specific system.

What is the NSN for AS5178W04?

AS5178W04 is cataloged in the U.S. Government catalog under NSN 5310-01-548-3523. This indicates validated use in U.S. government and defense supply chains.

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AS5178W04 — NUT,PLAIN,HEXAGON

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