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1238909-1 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
Sony · NUT WASHER
PRODUCT OVERVIEW

1238909-1: NUT,SELF-LOCKING,HEXAGON.

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Government catalog under NSN 5310-00-596-8350, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
1238909-1
NSN: 5310-00-596-8350
FSC: 5310 — Nuts and Washers
CAGE: 55972 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleHEXAGON
nut_height0.047 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
width_across_flats0.156 INCHES NOMINAL IN
nominal_thread_size0.073 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch72
material_document_and_classificationMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-596-8350
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1238909-1 · Sony ⚠ 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: 0.156 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.073 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
NUT HEIGHT: 0.047 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.156 INCHES NOMINAL IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.073 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
NUT HEIGHT0.047 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH72
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: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1238909-1?
1238909-1 is a NUT,SELF-LOCKING,HEXAGON manufactured by Sony.
What is the NSN for 1238909-1?
1238909-1 is cataloged in the U.S. Government catalog under NSN 5310-00-596-8350. This indicates validated use in U.S. government and defense supply chains.
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