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C520-428-10 — NUT,SELF-LOCKING,BLIND RIVET

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C520-428-10: NUT,SELF-LOCKING,BLIND RIVET.

The NUT,SELF-LOCKING,BLIND RIVET is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: BLIND RIVET W/SMOOTH ROUND SHANK, head_style: DISHED COUNTERSUNK, nut_length: 0.972 INCHES MAXIMUM IN, head_height: 0.072 INCHES NOMINAL IN, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-904-4378, 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
C520-428-10
NSN: 5310-00-904-4378
FSC: 5310 — Nuts and Washers
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleBLIND RIVET W/SMOOTH ROUND SHANK
head_styleDISHED COUNTERSUNK
nut_length0.972 INCHES MAXIMUM IN
head_height0.072 INCHES NOMINAL IN
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
nut_diameter0.325 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
thread_class3B
head_diameter0.436 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
thread_seriesUNF
nut_grip_range+0.580 TO 0.640 INCHES IN
shank_end_typeOPEN
NSN5310-00-904-4378
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C520-428-10 · 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
•
HEAD HEIGHT: 0.072 INCHES NOMINAL IN
•
NUT LENGTH: 0.972 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
HEAD COUNTERSINK ANGLE: 76.0 DEGREES NOMINAL
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
•
NUT GRIP RANGE: +0.580 TO 0.640 INCHES IN
•
SHANK END TYPE: OPEN
•
HEAD STYLE: DISHED COUNTERSUNK
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.072 INCHES NOMINAL IN
NUT LENGTH0.972 INCHES MAXIMUM IN
THREAD SERIESUNF
HEAD COUNTERSINK ANGLE76.0 DEGREES NOMINAL
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
NUT GRIP RANGE+0.580 TO 0.640 INCHES IN
SHANK END TYPEOPEN
HEAD STYLEDISHED COUNTERSUNK
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
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 1
79CBN4-10Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is C520-428-10?
C520-428-10 is a NUT,SELF-LOCKING,BLIND RIVET.
What parts can replace C520-428-10?
There is 1 known substitute for C520-428-10: 79CBN4-10. Substitute compatibility should be verified for your specific system.
What is the NSN for C520-428-10?
C520-428-10 is cataloged in the U.S. Government catalog under NSN 5310-00-904-4378. 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.