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ST3M543N9A64-6 — NUT ASSEMBLY,SELF-LOCKING,GANG C

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ST3M543N9A64-6: NUT ASSEMBLY,SELF-LOCKING,GANG C.

NUT ASSEMBLY,SELF-LOCKING,GANG C. Key specifications include material: STEEL NUT, nut_style: GANG CHANNEL, SELF LOCKING, lubrication: DRY FILM LUBRICANT, nut_spacing: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, temp_rating: 350.0 FAHRENHEIT NOMINAL DEGF, nut_quantity: 64. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-486-2775, 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
ST3M543N9A64-6
NSN: 5310-00-486-2775
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL NUT
nut_styleGANG CHANNEL, SELF LOCKING
lubricationDRY FILM LUBRICANT
nut_spacing1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
temp_rating350.0 FAHRENHEIT NOMINAL DEGF
nut_quantity64
thread_class3B
channel_styleSTRAIGHT TYPE
overall_width0.452 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
channel_height0.250 INCHES MAXIMUM IN
overall_length71.575 INCHES NOMINAL IN
NSN5310-00-486-2775
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ST3M543N9A64-6 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
NUT QUANTITY: 64
•
TEMP RATING: 350.0 FAHRENHEIT NOMINAL DEGF
•
REMOVABLE NUT MANUFACTURER PART NUMBER: ST3M445A3M6
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE BASE
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NUT QUANTITY64
TEMP RATING350.0 FAHRENHEIT NOMINAL DEGF
REMOVABLE NUT MANUFACTURER PART NUMBERST3M445A3M6
OVERALL LENGTH71.575 INCHES NOMINAL IN
OVERALL WIDTH0.452 INCHES MAXIMUM IN
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 2
G39884-3-6-9-64Reference document
Same NSN cross-reference
Reference document — Secondary reference
G14421-6-3-9-64Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST3M543N9A64-6?
ST3M543N9A64-6 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.
What parts can replace ST3M543N9A64-6?
There are 2 known substitutes for ST3M543N9A64-6: G39884-3-6-9-64, G14421-6-3-9-64. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M543N9A64-6?
ST3M543N9A64-6 is cataloged in the U.S. Government catalog under NSN 5310-00-486-2775. 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.