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12-122-054 — NUT,SELF-LOCKING,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12-122-054: NUT,SELF-LOCKING,ROUND.

The NUT,SELF-LOCKING,ROUND is a the manufacturer industrial component. Key specifications include material: FIBER LOCKING INSERT, nut_diameter: 0.594 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 0.750 INCHES NOMINAL IN, thread_series: UNF, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-141-3143, 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
12-122-054
NSN: 5310-00-141-3143
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialFIBER LOCKING INSERT
nut_diameter0.594 INCHES NOMINAL IN
thread_class3B
nut_thickness0.750 INCHES NOMINAL IN
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentCADMIUM NUT
nominal_thread_size0.3125 INCHES IN
thread_quantity_per_inch24
material_document_and_classificationAISI 4130 ASSN STD 1ST MATERIAL RESPONSE NUT
NSN5310-00-141-3143
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12-122-054 · 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 SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 4130 ASSN STD 1ST MATERIAL RESPONSE NUT
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.3125 INCHES IN
•
NUT DIAMETER: 0.594 INCHES NOMINAL IN
•
NUT THICKNESS: 0.750 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM NUT
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 4130 ASSN STD 1ST MATERIAL RESPONSE NUT
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.3125 INCHES IN
NUT DIAMETER0.594 INCHES NOMINAL IN
NUT THICKNESS0.750 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM NUT
THREAD CLASS3B
THREAD QUANTITY PER INCH24
MATERIALSTEEL COMP 4130 NUT
SUBSTITUTES & CROSS-REFERENCES 2
12N122-054Reference document
Same NSN cross-reference
Reference document — Secondary reference
NAS353Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12-122-054?
12-122-054 is a NUT,SELF-LOCKING,ROUND.
What parts can replace 12-122-054?
There are 2 known substitutes for 12-122-054: 12N122-054, NAS353. Substitute compatibility should be verified for your specific system.
What is the NSN for 12-122-054?
12-122-054 is cataloged in the U.S. Government catalog under NSN 5310-00-141-3143. 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.