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450B1 — NUT,SELF-LOCKING,SPECIAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

450B1: NUT,SELF-LOCKING,SPECIAL.

The NUT,SELF-LOCKING,SPECIAL is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY HOUSING, hole_diameter: 0.177 INCHES NOMINAL IN, overall_width: 4.060 INCHES NOMINAL IN, terminal_type: WIRE LEAD, overall_height: 2.420 INCHES NOMINAL IN, overall_length: 4.060 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-753-9542, 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
450B1
NSN: 5310-00-753-9542
NIINs: 007539542, 008320449
FSC: 5310 — Nuts and Washers
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialALUMINUM ALLOY HOUSING
hole_diameter0.177 INCHES NOMINAL IN
overall_width4.060 INCHES NOMINAL IN
terminal_typeWIRE LEAD
overall_height2.420 INCHES NOMINAL IN
overall_length4.060 INCHES NOMINAL IN
mounting_bracketNOT PROVIDED
terminal_quantity2
sound_projector_typeGRILL
sound_projector_quantity1
loudness_level_in_decibels95 DB AT 3FT FT
mounting_hole/stud_quantity2
NSN5310-00-753-9542
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 450B1 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: ZINC,CAST,DICHROMATE DIP,W/NYLON INSERT,0.250-28 NF-2B THD,0.531 IN. LENGTH,0.450 IN. WIDE,0.265 IN. HEIGHT IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONZINC,CAST,DICHROMATE DIP,W/NYLON INSERT,0.250-28 NF-2B THD,0.531 IN. LENGTH,0.450 IN. WIDE,0.265 IN. HEIGHT IN
SUBSTITUTES & CROSS-REFERENCES 1
5938764Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 450B1?
450B1 is a NUT,SELF-LOCKING,SPECIAL.
What parts can replace 450B1?
There is 1 known substitute for 450B1: 5938764. Substitute compatibility should be verified for your specific system.
What is the NSN for 450B1?
450B1 is cataloged in the U.S. Government catalog under NSN 5310-00-753-9542. 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.