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2552-0918 — NUT,SELF-LOCKING,BARREL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2552-0918: NUT,SELF-LOCKING,BARREL.

The NUT,SELF-LOCKING,BARREL is a the manufacturer industrial component. Key specifications include material: PLASTIC LOCKING INSERT, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, hardness_rating: 29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM, locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT, thread_direction: RIGHT-HAND, features_provided: FLOATING NUT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-232-4556, 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
2552-0918
NSN: 5310-00-232-4556
FSC: 5310 — Nuts and Washers
CAGE: 019L2 — ESNA, LLC (USA)
SPECIFICATIONS
materialPLASTIC LOCKING INSERT
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
hardness_rating29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
thread_directionRIGHT-HAND
features_providedFLOATING NUT
surface_treatmentCADMIUM NUT
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE NUT
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
NSN5310-00-232-4556
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2552-0918 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
HARDNESS RATING: 29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE NUT
•
FEATURES PROVIDED: FLOATING NUT
•
THREAD DIRECTION: RIGHT-HAND
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
SURFACE TREATMENT: CADMIUM NUT
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE NUT
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
HARDNESS RATING29.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE NUT
FEATURES PROVIDEDFLOATING NUT
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
SURFACE TREATMENTCADMIUM NUT
MATERIALSTEEL COMP 4130 NUT
MATERIALPLASTIC LOCKING INSERT
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 2552-0918?
2552-0918 is a NUT,SELF-LOCKING,BARREL.
What is the NSN for 2552-0918?
2552-0918 is cataloged in the U.S. Government catalog under NSN 5310-00-232-4556. This indicates validated use in U.S. government and defense supply chains.
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