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FFB571TYPEA2 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

FFB571TYPEA2: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.376 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-057-1242, 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
FFB571TYPEA2
NSN: 5310-00-057-1242
NIINs: 000571242, 000795995, 001413033, 001768145, 001768147, 001768149, 001768150, 001768151, 001768152, 001768154, 001768169, 001768171, 001768177, 001948143, 001948191, 002083775, 002084636, 002277989, 006397535
FSC: 5310 — Nuts and Washers
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.376 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OR ZINC OVERALL
width_across_flats0.750 INCHES NOMINAL IN
nominal_thread_size0.438 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch14
nondefinitive_spec/std_dataA2 TYPE
NSN5310-00-057-1242
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FFB571TYPEA2 · 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
•
WIDTH ACROSS FLATS: 1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
•
THREAD SERIES: UNS
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MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NUT HEIGHT: 0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS1.450 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
THREAD SERIESUNS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
NUT HEIGHT0.831 INCHES MINIMUM AND 0.887 INCHES MAXIMUM IN
SURFACE TREATMENTPHOSPHATE OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH14
SUBSTITUTES & CROSS-REFERENCES 1
571242Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 FFB571TYPEA2?
FFB571TYPEA2 is a NUT,PLAIN,HEXAGON.
What parts can replace FFB571TYPEA2?
There is 1 known substitute for FFB571TYPEA2: 571242. Substitute compatibility should be verified for your specific system.
What is the NSN for FFB571TYPEA2?
FFB571TYPEA2 is cataloged in the U.S. Government catalog under NSN 5310-00-057-1242. This indicates validated use in U.S. government and defense supply chains.
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