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MILN3337TYPE2 — NUT,SHEET SPRING

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MILN3337TYPE2: NUT,SHEET SPRING.

The NUT,SHEET SPRING is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SHEET SPRING, nut_width: 0.437 INCHES NOMINAL IN, nut_length: 0.625 INCHES NOMINAL IN, panel_thickness: 0.025 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN, surface_treatment: ZINC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-044-5138, 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
MILN3337TYPE2
NSN: 5310-00-044-5138
NIINs: 000445138, 005434668, 005959139, 005966410, 008006212, 008010535, 008270376
FSC: 5310 — Nuts and Washers
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSHEET SPRING
nut_width0.437 INCHES NOMINAL IN
nut_length0.625 INCHES NOMINAL IN
panel_thickness0.025 INCHES MINIMUM AND 0.032 INCHES MAXIMUM IN
surface_treatmentZINC OVERALL
material_thickness0.026 INCHES MINIMUM AND 0.030 INCHES MAXIMUM IN
mating_member_diameter_accommodated0.164 INCHES NOMINAL IN
NSN5310-00-044-5138
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MILN3337TYPE2 · 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
•
NUT WIDTH: 0.500 INCHES NOMINAL IN
•
NUT LENGTH: 0.750 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL THICKNESS: 0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
•
MATING MEMBER DIAMETER ACCOMMODATED: 0.190 INCHES NOMINAL IN
•
SURFACE TREATMENT: PHOSPHATE OR CHROMATE ZINC OVERALL
•
NUT STYLE: SHEET SPRING
TECHNICAL CHARACTERISTICS
NUT WIDTH0.500 INCHES NOMINAL IN
NUT LENGTH0.750 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A576 ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIAL THICKNESS0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
MATING MEMBER DIAMETER ACCOMMODATED0.190 INCHES NOMINAL IN
SPECIAL FEATURESA2
SURFACE TREATMENTPHOSPHATE OR CHROMATE ZINC OVERALL
NUT STYLESHEET SPRING
MATERIALSTEEL COMP 1045 OR STEEL COMP 1050 OR STEEL COMP 1552 OR STEEL COMP 1060 OR STEEL COMP 1065 OR STEEL COMP 1070 OR STEEL COMP 1074 OR STEEL COMP 1080 OR STEEL COMP 1085 OR STEEL COMP 1090 OR STEEL COMP 1095 OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
445138Reference document
Same NSN cross-reference
Reference document — Secondary reference
A1779-10Z3Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 MILN3337TYPE2?
MILN3337TYPE2 is a NUT,SHEET SPRING.
What parts can replace MILN3337TYPE2?
There are 2 known substitutes for MILN3337TYPE2: 445138, A1779-10Z3. Substitute compatibility should be verified for your specific system.
What is the NSN for MILN3337TYPE2?
MILN3337TYPE2 is cataloged in the U.S. Government catalog under NSN 5310-00-044-5138. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.