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88-20568-7 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

88-20568-7: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT, nominal_thread_size: 0.250 INCHES IN, hole_type_and_quantity: 1 TAPPED, end_item_identification: 6115-01-296-1463. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-531-4906, 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
88-20568-7
NSN: 5310-01-531-4906
FSC: 5310 — Nuts and Washers
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class2
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
nominal_thread_size0.250 INCHES IN
hole_type_and_quantity1 TAPPED
end_item_identification6115-01-296-1463
hole_configuration_styleCONFIGURATION A
thread_quantity_per_inch20
hole_nominal_thread_diameter0.250 INCHES IN
material_document_and_classificationASTM B 134 ASSN STD ALL MATERIAL RESPONSES OVERALL
part_name_assigned_by_controlling_agencyNUTS, SELF LOCKINGF HEXAGON-PREVAILING TORQUE, 250 DEG
NSN5310-01-531-4906
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 88-20568-7 · 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
HOLE CONFIGURATION STYLE: CONFIGURATION A
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B 134 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
THREAD CLASS: 2
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
HOLE CONFIGURATION STYLECONFIGURATION A
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B 134 ASSN STD ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD SIZE0.250 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
PART NAME ASSIGNED BY CONTROLLING AGENCYNUTS, SELF LOCKINGF HEXAGON-PREVAILING TORQUE, 250 DEG
THREAD CLASS2
END ITEM IDENTIFICATION6115-01-296-1463
HOLE NOMINAL THREAD DIAMETER0.250 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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 88-20568-7?
88-20568-7 is a NUT,SELF-LOCKING,HEXAGON.
What is the NSN for 88-20568-7?
88-20568-7 is cataloged in the U.S. Government catalog under NSN 5310-01-531-4906. This indicates validated use in U.S. government and defense supply chains.
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