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H55038-3CD — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

H55038-3CD: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: DOUBLE HEXAGONDOUBLE HEXAGON, lubrication: DRY FILM LUBRICANTDRY FILM LUBRICANT, temp_rating: 900.0 FAHRENHEIT NOMINAL900.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-708-6646, 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
H55038-3CD
NSN: 5310-01-708-6646
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleDOUBLE HEXAGONDOUBLE HEXAGON
lubricationDRY FILM LUBRICANTDRY FILM LUBRICANT
temp_rating900.0 FAHRENHEIT NOMINAL900.0 FAHRENHEIT NOMINAL DEGF
thread_class3B3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
special_features12 POINT, SELF-LOCKING, 220 KSI12 POINT, SELF-LOCKING, 220 KSI
surface_treatmentCADMIUM OVERALL
part_name_assigned_by_controlling_agencyNUTNUT
NSN5310-01-708-6646
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: H55038-3CD · 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
•
LUBRICATION: DRY FILM LUBRICANTDRY FILM LUBRICANT
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
•
TEMP RATING: 900.0 FAHRENHEIT NOMINAL900.0 FAHRENHEIT NOMINAL DEGF
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT STYLE: DOUBLE HEXAGONDOUBLE HEXAGON
•
THREAD CLASS: 3B3B
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANTDRY FILM LUBRICANT
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING900.0 FAHRENHEIT NOMINAL900.0 FAHRENHEIT NOMINAL DEGF
SPECIAL FEATURES12 POINT, SELF-LOCKING, 220 KSI12 POINT, SELF-LOCKING, 220 KSI
SURFACE TREATMENTCADMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNUTNUT
NUT STYLEDOUBLE HEXAGONDOUBLE HEXAGON
THREAD CLASS3B3B
MATERIALSTEEL CORROSION RESISTING 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H55038-3CD?
H55038-3CD is a NUT,SELF-LOCKING,EXTENDED WASHER.
What is the NSN for H55038-3CD?
H55038-3CD is cataloged in the U.S. Government catalog under NSN 5310-01-708-6646. This indicates validated use in U.S. government and defense supply chains.
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