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2053045 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2053045: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include nut_style: HEXAGON, nut_height: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNEF, thread_direction: RIGHT-HAND, surface_treatment: NICKEL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-595-8768, 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
2053045
NSN: 5310-00-595-8768
FSC: 5310 — Nuts and Washers
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
nut_styleHEXAGON
nut_height0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNEF
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
width_across_flats0.500 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch32
material_document_and_classificationQQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL
NSN5310-00-595-8768
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2053045 · 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: 0.500 INCHES NOMINAL IN
•
THREAD SERIES: UNEF
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT HEIGHT: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
•
SURFACE TREATMENT: NICKEL OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
THREAD SERIESUNEF
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT HEIGHT0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN
SURFACE TREATMENTNICKEL OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH32
SUBSTITUTES & CROSS-REFERENCES 1
648345-000Reference 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 2053045?
2053045 is a NUT,PLAIN,HEXAGON.
What parts can replace 2053045?
There is 1 known substitute for 2053045: 648345-000. Substitute compatibility should be verified for your specific system.
What is the NSN for 2053045?
2053045 is cataloged in the U.S. Government catalog under NSN 5310-00-595-8768. 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.