PartsTable
Technical Data Sheet
FFB571TYPEA7 ✓ 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: 0.642 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-012-1932, 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
FFB571TYPEA7
NSN: 5310-00-012-1932
FSC: 5310
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.642 INCHES MINIMUM AND 0.671 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats1.0450 INCHES MINIMUM AND 1.0625 INCHES MAXIMUM IN
nominal_thread_size0.750 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch10
nondefinitive_spec/std_dataA7 TYPE
NSN5310-00-012-1932
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FFB571TYPEA7 · 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
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE: 0.375 INCHES IN
THREAD SERIES: UNF
THREAD QUANTITY PER INCH: 24
NONDEFINITIVE SPEC/STD DATA: A TYPE
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
MATERIAL: STEEL OVERALL
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS (FLIS)
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD SERIESUNF
THREAD QUANTITY PER INCH24
NONDEFINITIVE SPEC/STD DATAA TYPE
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
MATERIALSTEEL OVERALL
THREAD DIRECTIONRIGHT-HAND
THREAD CLASS3B
NUT STYLEHEXAGON
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
125348Interchangeable
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TT-2098Interchangeable
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5901Interchangeable
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70-1173Interchangeable
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25085Interchangeable
interchangeable cross-reference
interchangeable
A2053Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FFB571TYPEA7?
FFB571TYPEA7 is a NUT,PLAIN,HEXAGON.
What parts can replace FFB571TYPEA7?
There are 30 known substitutes for FFB571TYPEA7: 125348, TT-2098, 5901 and 27 more. Substitute compatibility should be verified for your specific system.
Is FFB571TYPEA7 still available?
FFB571TYPEA7 is currently cancelled.
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