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ST3M545N10A57-6 — NUT ASSEMBLY,SELF-LOCKING,GANG C

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ST3M545N10A57-6: NUT ASSEMBLY,SELF-LOCKING,GANG C.

NUT ASSEMBLY,SELF-LOCKING,GANG C. Key specifications include material: STEEL CORROSION RESISTING CLIP, nut_style: GANG CHANNEL, SELF LOCKING, nut_spacing: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, temp_rating: 350.0 FAHRENHEIT NOMINAL DEGF, nut_quantity: 57, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-607-8256, 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
ST3M545N10A57-6
NSN: 5310-01-607-8256
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING CLIP
nut_styleGANG CHANNEL, SELF LOCKING
nut_spacing1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
temp_rating350.0 FAHRENHEIT NOMINAL DEGF
nut_quantity57
thread_class3B
channel_styleSTRAIGHT TYPE
overall_width0.652 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
channel_height0.344 INCHES MAXIMUM IN
overall_length70.900 INCHES NOMINAL IN
thread_directionRIGHT-HAND
NSN5310-01-607-8256
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ST3M545N10A57-6 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
NUT QUANTITY: 57
•
TEMP RATING: 350.0 FAHRENHEIT NOMINAL DEGF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/13 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE CHANNEL
•
NUT COUNTERBORE DEPTH: 0.375 INCHES MINIMUM NUT IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625, TYPE 2, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE CHANNEL
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NUT QUANTITY57
TEMP RATING350.0 FAHRENHEIT NOMINAL DEGF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/13 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/12 FED SPEC SINGLE MATERIAL RESPONSE CHANNEL
OVERALL LENGTH70.900 INCHES NOMINAL IN
OVERALL WIDTH0.652 INCHES MAXIMUM IN
NUT COUNTERBORE DEPTH0.375 INCHES MINIMUM NUT IN
CHANNEL HEIGHT0.344 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
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 ST3M545N10A57-6?
ST3M545N10A57-6 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.
What is the NSN for ST3M545N10A57-6?
ST3M545N10A57-6 is cataloged in the U.S. Government catalog under NSN 5310-01-607-8256. This indicates validated use in U.S. government and defense supply chains.
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