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SAE AS5178J04 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

SAE AS5178J04: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, nut_style: HEXAGON, nut_height: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-079-1967, 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
SAE AS5178J04
NSN: 5310-00-079-1967
FSC: 5310 — Nuts and Washers
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
nut_styleHEXAGON
nut_height0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
nominal_thread_size0.438 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch20
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-079-1967
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SAE AS5178J04 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
NUT HEIGHT: 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.684 INCHES MINIMUM AND 0.691 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.438 INCHES IN
NUT HEIGHT0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
NUT STYLEHEXAGON
THREAD CLASS3B
SUBSTITUTES & CROSS-REFERENCES 7
AN924J4Reference document
Same NSN cross-reference
Reference document — Secondary reference
5310PL0150268Reference document
Same NSN cross-reference
Reference document — Informative reference only
AN924-4CReference document
Same NSN cross-reference
Reference document — Secondary reference
8805912Reference document
Same NSN cross-reference
Reference document — Secondary reference
10087975Reference document
Same NSN cross-reference
Reference document — Informative reference only
AN924-4JSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SAE AS5178J04?
SAE AS5178J04 is a NUT,PLAIN,HEXAGON.
What parts can replace SAE AS5178J04?
There are 7 known substitutes for SAE AS5178J04: AN924J4, 5310PL0150268, AN924-4C and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SAE AS5178J04?
SAE AS5178J04 is cataloged in the U.S. Government catalog under NSN 5310-00-079-1967. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.