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DIN 985 ST M2.5 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DIN 985 ST M2.5: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON LOCKING INSERT, nut_style: HEXAGON, nut_height: 3.8 MILLIMETERS MAXIMUM MM, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL EXCEPT INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-340-4629, 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
DIN 985 ST M2.5
NSN: 5310-01-340-4629
FSC: 5310 — Nuts and Washers
CAGE: 15526 — METRIC AND MULTISTANDARD COMPONENTS CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON LOCKING INSERT
nut_styleHEXAGON
nut_height3.8 MILLIMETERS MAXIMUM MM
thread_seriesM
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL EXCEPT INSERT
width_across_flats5.0 MILLIMETERS NOMINAL MM
nominal_thread_size2.5 MILLIMETERS MM
bearing_surface_typeCHAMFERED
thread_tolerance_class6 INTERNAL
thread_pitch_in_millimeters0.45
NSN5310-01-340-4629
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DIN 985 ST M2.5 · 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: 5.0 MILLIMETERS NOMINAL MM
•
THREAD TOLERANCE CLASS: 6 INTERNAL
•
THREAD SERIES: M
•
THREAD PITCH IN MILLIMETERS: 0.45
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 2.5 MILLIMETERS MM
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 3.8 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS5.0 MILLIMETERS NOMINAL MM
THREAD TOLERANCE CLASS6 INTERNAL
THREAD SERIESM
THREAD PITCH IN MILLIMETERS0.45
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE2.5 MILLIMETERS MM
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT3.8 MILLIMETERS MAXIMUM MM
SURFACE TREATMENTZINC OVERALL EXCEPT INSERT
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
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 DIN 985 ST M2.5?
DIN 985 ST M2.5 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for DIN 985 ST M2.5?
DIN 985 ST M2.5 is cataloged in the U.S. Government catalog under NSN 5310-01-340-4629. This indicates validated use in U.S. government and defense supply chains.
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