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MILB933TYPEB — NUT,PLAIN,SQUARE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MILB933TYPEB: NUT,PLAIN,SQUARE.

The NUT,PLAIN,SQUARE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL, head_style: SQUARE, head_height: 0.452 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN, point_style: OVAL, thread_class: 3A A, thread_length: 2.000 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-010-3101, 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
MILB933TYPEB
NSN: 5310-00-010-3101
NIINs: 000103101, 000103102, 000103104, 000103105, 000114380, 000115984, 000120399, 000120611, 000120619, 000127797, 000131395, 000134532, 000218562, 002490581, 002490582, 002490583
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 COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL
head_styleSQUARE
head_height0.452 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
point_styleOVAL
thread_class3A A
thread_length2.000 INCHES MAXIMUM IN
fastener_length1.938 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
hardness_rating45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
width_between_flats0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
nominal_thread_diameter0.625 INCHES IN
NSN5310-00-010-3101
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MILB933TYPEB · 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: 0.362 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.190 INCHES IN
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NUT HEIGHT: 0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
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NUT STYLE: SQUARE
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THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 32
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.362 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NUT HEIGHT0.117 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
NUT STYLESQUARE
THREAD CLASS2B
THREAD QUANTITY PER INCH32
MATERIALSTEEL OVERALL
BEARING SURFACE TYPEFLAT
SUBSTITUTES & CROSS-REFERENCES 2
34141SReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
103101Reference 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 MILB933TYPEB?
MILB933TYPEB is a NUT,PLAIN,SQUARE.
What parts can replace MILB933TYPEB?
There are 2 known substitutes for MILB933TYPEB: 34141S, 103101. Substitute compatibility should be verified for your specific system.
What is the NSN for MILB933TYPEB?
MILB933TYPEB is cataloged in the U.S. Government catalog under NSN 5310-00-010-3101. 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.