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128PM10215-3 — NUT,PLAIN,CONE SEAT,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

128PM10215-3: NUT,PLAIN,CONE SEAT,HEXAGON.

The NUT,PLAIN,CONE SEAT,HEXAGON is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: CONE SEAT, HEXAGON, nut_height: 0.312 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, cone_seat_angle: 60.00 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-064-7802, 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
128PM10215-3
NSN: 5310-01-064-7802
FSC: 5310 — Nuts and Washers
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_styleCONE SEAT, HEXAGON
nut_height0.312 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
cone_seat_angle60.00 DEGREES NOMINAL
thread_directionRIGHT-HAND
countersink_angle120.0 DEGREES NOMINAL NUT
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.312 INCHES IN
drilled_hole_diameter0.250 INCHES NOMINAL IN
bearing_surface_finish125.0 MICROINCHES
NSN5310-01-064-7802
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 128PM10215-3 · 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: 0.500 INCHES NOMINAL IN
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
THREAD SERIES: UNF
•
HOLE CONFIGURATION STYLE: CONFIGURATION A
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
CONE SEAT ANGLE: 60.00 DEGREES NOMINAL
•
NUT HEIGHT: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
BEARING SURFACE FINISH125.0 MICROINCHES
THREAD SERIESUNF
HOLE CONFIGURATION STYLECONFIGURATION A
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.312 INCHES IN
CONE SEAT ANGLE60.00 DEGREES NOMINAL
NUT HEIGHT0.312 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.250 INCHES NOMINAL IN
COUNTERSINK ANGLE120.0 DEGREES NOMINAL NUT
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 128PM10215-3?
128PM10215-3 is a NUT,PLAIN,CONE SEAT,HEXAGON.
What is the NSN for 128PM10215-3?
128PM10215-3 is cataloged in the U.S. Government catalog under NSN 5310-01-064-7802. This indicates validated use in U.S. government and defense supply chains.
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