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410B21F — NUT,PLAIN,KNURLED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

410B21F: NUT,PLAIN,KNURLED.

The NUT,PLAIN,KNURLED is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, nut_style: KNURLED, nut_diameter: 1.063 INCHES NOMINAL IN, nut_thickness: 0.438 INCHES NOMINAL IN, surface_treatment: LACQUER OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-970-5302, 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
410B21F
NSN: 5310-00-970-5302
FSC: 5310 — Nuts and Washers
CAGE: 7ZXR5 — KEYSIGHT TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
nut_styleKNURLED
nut_diameter1.063 INCHES NOMINAL IN
nut_thickness0.438 INCHES NOMINAL IN
surface_treatmentLACQUER OVERALL
NSN5310-00-970-5302
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 410B21F · 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 DIAMETER: 1.063 INCHES NOMINAL IN
•
NUT THICKNESS: 0.438 INCHES NOMINAL IN
•
SURFACE TREATMENT: LACQUER OVERALL
•
NUT STYLE: KNURLED
•
MATERIAL: ALUMINUM OVERALL
TECHNICAL CHARACTERISTICS
NUT DIAMETER1.063 INCHES NOMINAL IN
NUT THICKNESS0.438 INCHES NOMINAL IN
SURFACE TREATMENTLACQUER OVERALL
NUT STYLEKNURLED
MATERIALALUMINUM OVERALL
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 410B21F?
410B21F is a NUT,PLAIN,KNURLED.
What is the NSN for 410B21F?
410B21F is cataloged in the U.S. Government catalog under NSN 5310-00-970-5302. 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.