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FFB571AAMEND1NUTTYPEA2CLASSC — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

FFB571AAMEND1NUTTYPEA2CLASSC: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.313 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 5310-00-275-0332, 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
FFB571AAMEND1NUTTYPEA2CLASSC
NSN: 5310-00-275-0332
FSC: 5310 — Nuts and Washers
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.313 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.625 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch16
nondefinitive_spec/std_dataB GROUP AND 3 TYPE AND 3 STYLE AND A GRADE
NSN5310-00-275-0332
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FFB571AAMEND1NUTTYPEA2CLASSC · 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: 0.625 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: B GROUP AND 3 TYPE AND 3 STYLE AND A GRADE
•
NUT HEIGHT: 0.313 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NONDEFINITIVE SPEC/STD DATAB GROUP AND 3 TYPE AND 3 STYLE AND A GRADE
NUT HEIGHT0.313 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH16
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
FFN836GR0UPBTYPE3STYLE3GRADEAReference document
Same NSN cross-reference
Reference document — Identification reference
6-292188Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FFB571AAMEND1NUTTYPEA2CLASSC?
FFB571AAMEND1NUTTYPEA2CLASSC is a NUT,PLAIN,HEXAGON.
What parts can replace FFB571AAMEND1NUTTYPEA2CLASSC?
There are 2 known substitutes for FFB571AAMEND1NUTTYPEA2CLASSC: FFN836GR0UPBTYPE3STYLE3GRADEA, 6-292188. Substitute compatibility should be verified for your specific system.
What is the NSN for FFB571AAMEND1NUTTYPEA2CLASSC?
FFB571AAMEND1NUTTYPEA2CLASSC is cataloged in the U.S. Government catalog under NSN 5310-00-275-0332. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.