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Technical Data Sheet
QB83878-19 ✓ 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,BLIND RIVET is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1108 OVERALL, nut_style: BLIND RIVET W/SMOOTH ROUND SHANK, head_style: FLAT, nut_length: 0.438 INCHES NOMINAL IN, head_height: 0.032 INCHES NOMINAL IN, nut_diameter: 0.251 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-639-8075, 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
QB83878-19
NSN: 5310-00-639-8075
FSC: 5310
CAGE: 19315 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 1108 OVERALL
nut_styleBLIND RIVET W/SMOOTH ROUND SHANK
head_styleFLAT
nut_length0.438 INCHES NOMINAL IN
head_height0.032 INCHES NOMINAL IN
nut_diameter0.251 INCHES MAXIMUM IN
thread_class2B
head_diameter0.387 INCHES NOMINAL IN
thread_seriesUNF
shank_end_typeOPEN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
NSN5310-00-639-8075
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: QB83878-19 · 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 STYLE: BLIND RIVET W/SMOOTH ROUND SHANK
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 32
SHANK END TYPE: OPEN
THREAD SERIES: UNF
NOMINAL THREAD SIZE: 0.190 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEBLIND RIVET W/SMOOTH ROUND SHANK
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
SHANK END TYPEOPEN
THREAD SERIESUNF
NOMINAL THREAD SIZE0.190 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SPECIFICATION/STANDARD DATA80205-NAS453 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
69-FL-12X12Interchangeable
interchangeable cross-reference
interchangeable
4730004285631Interchangeable
interchangeable cross-reference
interchangeable
69FL3-4Interchangeable
interchangeable cross-reference
interchangeable
BAC-R16A-10-75-SInterchangeable
Same NIIN cross-reference
interchangeable
S10-75Interchangeable
Same NIIN cross-reference
interchangeable
NAS453-10-75SInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is QB83878-19?
QB83878-19 is a NUT,PLAIN,BLIND RIVET.
What parts can replace QB83878-19?
There are 6 known substitutes for QB83878-19: 69-FL-12X12, 4730004285631, 69FL3-4 and 3 more. Substitute compatibility should be verified for your specific system.
Is QB83878-19 still available?
QB83878-19 is currently cancelled.
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