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ST3M543N8A2-1 — NUT,SELF-LOCKING,GANG CHANNEL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ST3M543N8A2-1: NUT,SELF-LOCKING,GANG CHANNEL.

The NUT,SELF-LOCKING,GANG CHANNEL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075 CHANNEL, nut_style: GANG CHANNEL, SELF LOCKING, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), thread_direction: RIGHT-HAND, nominal_thread_size: 0.190 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-341-3645, 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
ST3M543N8A2-1
NSN: 5310-01-341-3645
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075 CHANNEL
nut_styleGANG CHANNEL, SELF LOCKING
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
thread_directionRIGHT-HAND
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
NSN5310-01-341-3645
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ST3M543N8A2-1 · 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: UNIFIED NATIONAL JOINT FINE (UNJF)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NUT STYLE: GANG CHANNEL, SELF LOCKING
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 32
•
MATERIAL: ALUMINUM ALLOY 7075 CHANNEL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NUT STYLEGANG CHANNEL, SELF LOCKING
THREAD CLASS3B
THREAD QUANTITY PER INCH32
MATERIALALUMINUM ALLOY 7075 CHANNEL
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST3M543N8A2-1?
ST3M543N8A2-1 is a NUT,SELF-LOCKING,GANG CHANNEL.
What is the NSN for ST3M543N8A2-1?
ST3M543N8A2-1 is cataloged in the U.S. Government catalog under NSN 5310-01-341-3645. 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.