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72689-6 — NUT,SELF-LOCKING,SLOTTED,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

72689-6: NUT,SELF-LOCKING,SLOTTED,HEXAGON.

NUT,SELF-LOCKING,SLOTTED,HEXAGON. Key specifications include material: STEEL CORROSION RESISTING WASHER, nut_style: SLOTTED, HEXAGON, nut_height: 0.507 INCHES MAXIMUM IN, lubrication: SOLUBLE LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-017-7264, 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
72689-6
NSN: 5310-01-017-7264
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING WASHER
nut_styleSLOTTED, HEXAGON
nut_height0.507 INCHES MAXIMUM IN
lubricationSOLUBLE LUBRICANT
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNF
hardness_rating38.0 ROCKWELL C MAXIMUM
locking_featureFREE-RUNNING ALL METAL DESIGN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM NUT
width_across_flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
NSN5310-01-017-7264
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 72689-6 · 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: SOLUBLE LUBRICANT
•
WIDTH ACROSS FLATS: 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WASHER
•
THREAD SERIES: UNF
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
•
HARDNESS RATING: 38.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE NUT
TECHNICAL CHARACTERISTICS
LUBRICATIONSOLUBLE LUBRICANT
WIDTH ACROSS FLATS0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE WASHER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
THREAD SERIESUNF
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
HARDNESS RATING38.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-N-25027 MIL SPEC SINGLE MATERIAL RESPONSE NUT
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.312 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

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 72689-6?
72689-6 is a NUT,SELF-LOCKING,SLOTTED,HEXAGON.
What is the NSN for 72689-6?
72689-6 is cataloged in the U.S. Government catalog under NSN 5310-01-017-7264. This indicates validated use in U.S. government and defense supply chains.
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