PartsTable
Technical Data Sheet
11-679-51 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,RECESSED is a the manufacturer industrial component. Key specifications include phase: SINGLE, material: STEEL OUTER DOOR, control_type: REFRIGERATION APPARATUS AND PILOT LIGHT AND OVER-TEMPERATURE, current_type: AC, water_jacket: NOT PROVIDED, overall_depth: 30.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-448-2994, 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
11-679-51
NSN: 5310-00-448-2994
FSC: 5310
CAGE: 18355 — THE BOEING COMPANY (USA)
SPECIFICATIONS
phaseSINGLE
materialSTEEL OUTER DOOR
control_typeREFRIGERATION APPARATUS AND PILOT LIGHT AND OVER-TEMPERATURE
current_typeAC
water_jacketNOT PROVIDED
overall_depth30.000 INCHES NOMINAL IN
overall_width31.000 INCHES NOMINAL IN
heating_methodELECTRICAL
overall_height74.000 INCHES NOMINAL IN
shelf_quantity5
vacuum_chamberNOT INCLUDED
voltage_rating120.000 VOLTS NOMINAL
NSN5310-00-448-2994
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 11-679-51 · 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
BOTTOM RECESS ANGLE: 90.0 DEGREES NOMINAL
TOP RECESS ANGLE: 90.0 DEGREES NOMINAL
STYLE DESIGNATOR: RECESSED BOTH SIDES
MATERIAL THICKNESS: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
HOLE DIAMETER: 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
TOP RECESS DIAMETER: 0.437 INCHES NOMINAL IN
MATERIAL: STEEL COMP 4130 OVERALL
OUTSIDE DIAMETER: 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BOTTOM RECESS ANGLE90.0 DEGREES NOMINAL
TOP RECESS ANGLE90.0 DEGREES NOMINAL
STYLE DESIGNATORRECESSED BOTH SIDES
MATERIAL THICKNESS0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
HOLE DIAMETER0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
TOP RECESS DIAMETER0.437 INCHES NOMINAL IN
MATERIALSTEEL COMP 4130 OVERALL
OUTSIDE DIAMETER0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
BOTTOM RECESS DIAMETER0.437 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
11-679-51Interchangeable
interchangeable cross-reference
interchangeable
805Interchangeable
interchangeable cross-reference
interchangeable
31216Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11-679-51?
11-679-51 is a WASHER,RECESSED.
What parts can replace 11-679-51?
There are 3 known substitutes for 11-679-51: 11-679-51, 805, 31216. Substitute compatibility should be verified for your specific system.
What is the NSN for 11-679-51?
11-679-51 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-448-2994. This indicates validated use in U.S. government and defense supply chains.
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