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537AS477-2 — NUT,SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

537AS477-2: NUT,SLEEVE.

The NUT,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1117 OR STEEL COMP 11L17 OVERALL, nut_style: SLEEVE, nut_length: 0.106 INCHES NOMINAL IN, thread_class: 2B, boss_diameter: 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM SECOND END IN, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-366-6344, 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
537AS477-2
NSN: 5310-01-366-6344
FSC: 5310 — Nuts and Washers
CAGE: 30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 1117 OR STEEL COMP 11L17 OVERALL
nut_styleSLEEVE
nut_length0.106 INCHES NOMINAL IN
thread_class2B
boss_diameter0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM SECOND END IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
boss_thickness0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM SECOND END IN
hardness_rating80.0 ROCKWELL B MAXIMUM
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
nominal_thread_size0.112 INCHES IN
counterbore_diameter0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM FIRST END IN
NSN5310-01-366-6344
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 537AS477-2 · 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
•
NUT LENGTH: 0.106 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NUT WIDTH ACROSS FLATS: 0.250 INCHES NOMINAL IN
•
HARDNESS RATING: 80.0 ROCKWELL B MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OVERALL
•
NUT COUNTERBORE DEPTH: 0.170 INCHES MINIMUM AND 0.200 INCHES MAXIMUM FIRST END IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
NUT LENGTH0.106 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
HARDNESS RATING80.0 ROCKWELL B MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A108 ASSN STD 1ST MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH0.170 INCHES MINIMUM AND 0.200 INCHES MAXIMUM FIRST END IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
COUNTERBORE DIAMETER0.115 INCHES MINIMUM AND 0.121 INCHES MAXIMUM FIRST END 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

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 537AS477-2?
537AS477-2 is a NUT,SLEEVE.
What is the NSN for 537AS477-2?
537AS477-2 is cataloged in the U.S. Government catalog under NSN 5310-01-366-6344. This indicates validated use in U.S. government and defense supply chains.
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