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28913-9 — SPRING ASSEMBLY,LEAF

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

28913-9: SPRING ASSEMBLY,LEAF.

The SPRING ASSEMBLY,LEAF is a the manufacturer industrial component. Key specifications include material: STEEL COMP 5160 OVERALL, design_type: MAINSPRING, elliptic_shape: FULL, special_features: USED ON FRONT SUSPENSION ASSEMBLY, surface_treatment: PAINT OVERALL, end_item_identification: 2320-01-452-5579 TRUCK,TRACTOR. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-997-6833, 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
28913-9
NSN: 5310-00-997-6833
NIINs: 009976833, 014964047
FSC: 5310 — Nuts and Washers
CAGE: 11599 — TRIUMPH ENGINE CONTROL SYSTEMS LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 5160 OVERALL
design_typeMAINSPRING
elliptic_shapeFULL
special_featuresUSED ON FRONT SUSPENSION ASSEMBLY
surface_treatmentPAINT OVERALL
end_item_identification2320-01-452-5579 TRUCK,TRACTOR
material_document_and_classificationAISI/SAE5160 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-997-6833
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 28913-9 · 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: 0.625 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
HOLE CONFIGURATION STYLE: CONFIGURATION B
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6325 ASSN STD 2ND MATERIAL RESPONSE OVERALL
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.438 INCHES IN
•
NUT HEIGHT: 0.219 INCHES NOMINAL IN
•
DRILLED HOLE DIAMETER: 0.060 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.625 INCHES NOMINAL IN
THREAD SERIESUNF
HOLE CONFIGURATION STYLECONFIGURATION B
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6320 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6325 ASSN STD 2ND MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.438 INCHES IN
NUT HEIGHT0.219 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.060 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
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 28913-9?
28913-9 is a SPRING ASSEMBLY,LEAF.
What is the NSN for 28913-9?
28913-9 is cataloged in the U.S. Government catalog under NSN 5310-00-997-6833. This indicates validated use in U.S. government and defense supply chains.
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