PartsTable
Technical Data Sheet
AP-769 ✓ 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 NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.519 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), hardness_rating: 78.0 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-891-3427, 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
AP-769
NSN: 5310-00-891-3427
FSC: 5310
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.519 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
hardness_rating78.0 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch8
NSN5310-00-891-3427
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AP-769 · 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
HARDNESS RATING: 78.0 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH: 8
NOMINAL THREAD SIZE: 1.000 INCHES IN
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 5 STYLE AND C GRADE
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING78.0 ROCKWELL B MINIMUM AND 38.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH8
NOMINAL THREAD SIZE1.000 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 5 STYLE AND C GRADE
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIALSTEEL OVERALL
NUT HEIGHT0.519 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
20806Interchangeable
interchangeable cross-reference
interchangeable
15891Interchangeable
interchangeable cross-reference
interchangeable
42922Interchangeable
interchangeable cross-reference
interchangeable
HAM20806Interchangeable
interchangeable cross-reference
interchangeable
20979Interchangeable
interchangeable cross-reference
interchangeable
CHLORAPREP SKIN PREP BLADEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AP-769?
AP-769 is a NUT,PLAIN,HEXAGON.
What parts can replace AP-769?
There are 10 known substitutes for AP-769: 20806, 15891, 42922 and 7 more. Substitute compatibility should be verified for your specific system.
Is AP-769 still available?
AP-769 is currently cancelled.
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