AS5178K12 — NUT,PLAIN,HEXAGON

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

AS5178K12: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, nut_style: HEXAGON, nut_height: 0.406 INCHES NOMINAL IN, thread_class: 3B, thread_series: UN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-211-8477, 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

AS5178K12

NSN: 5310-00-211-8477
FSC: 5310 — Nuts and Washers
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	STEEL COMP 316 OVERALL
nut_style	HEXAGON
nut_height	0.406 INCHES NOMINAL IN
thread_class	3B
thread_series	UN
thread_direction	RIGHT-HAND
countersink_angle	90.0 DEGREES NOMINAL NUT
surface_treatment	PASSIVATE OVERALL
width_across_flats	1.371 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN
nominal_thread_size	1.062 INCHES IN
bearing_surface_type	CHAMFERED
thread_quantity_per_inch	12
NSN	5310-00-211-8477

COMPONENT DIAGRAM

KEY FEATURES

•

WIDTH ACROSS FLATS: 1.371 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

THREAD DIRECTION: RIGHT-HAND

•

NOMINAL THREAD SIZE: 1.062 INCHES IN

•

NUT HEIGHT: 0.406 INCHES NOMINAL IN

•

SURFACE TREATMENT: PASSIVATE OVERALL

TECHNICAL CHARACTERISTICS

WIDTH ACROSS FLATS	1.371 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	1.062 INCHES IN
NUT HEIGHT	0.406 INCHES NOMINAL IN
SURFACE TREATMENT	PASSIVATE OVERALL
COUNTERSINK ANGLE	90.0 DEGREES NOMINAL NUT
NUT STYLE	HEXAGON

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

AN924-12KReference document

Same NSN cross-reference

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

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 AS5178K12?

AS5178K12 is a NUT,PLAIN,HEXAGON.

What parts can replace AS5178K12?

There is 1 known substitute for AS5178K12: AN924-12K. Substitute compatibility should be verified for your specific system.

What is the NSN for AS5178K12?

AS5178K12 is cataloged in the U.S. Government catalog under NSN 5310-00-211-8477. This indicates validated use in U.S. government and defense supply chains.

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AS5178K12 — NUT,PLAIN,HEXAGON

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