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1228X38HS — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1228X38HS: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include thread_direction: RIGHT-HAND, bearing_surface_type: CHAMFERED OR FLAT OR WASHER FACED, end_item_identification: STRAINER, SEDI, part_name_assigned_by_controlling_agency: LOCK NUT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-688-4977, 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
1228X38HS
NSN: 5310-01-688-4977
FSC: 5310 — Nuts and Washers
CAGE: 72922 — GROSS MECHANICAL LABORATORIES INC (USA)
SPECIFICATIONS
thread_directionRIGHT-HAND
bearing_surface_typeCHAMFERED OR FLAT OR WASHER FACED
end_item_identificationSTRAINER, SEDI
part_name_assigned_by_controlling_agencyLOCK NUT
NSN5310-01-688-4977
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1228X38HS · 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
•
THREAD DIRECTION: RIGHT-HAND
•
BEARING SURFACE TYPE: CHAMFERED OR FLAT OR WASHER FACED
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
PART NAME ASSIGNED BY CONTROLLING AGENCYLOCK NUT
END ITEM IDENTIFICATIONSTRAINER, SEDI
BEARING SURFACE TYPECHAMFERED OR FLAT OR WASHER FACED
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

No substitute or cross-reference records for this part.

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 1228X38HS?
1228X38HS is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 1228X38HS?
1228X38HS is cataloged in the U.S. Government catalog under NSN 5310-01-688-4977. 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.