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1784-001-00 — NUT,PLAIN,CAP

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1784-001-00: NUT,PLAIN,CAP.

The NUT,PLAIN,CAP is a the manufacturer industrial component. Key specifications include special_features: 7/16-20 ACORN NUT;STAINLESS STEEL, part_name_assigned_by_controlling_agency: ACORN NUT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-506-3315, 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
1784-001-00
NSN: 5310-01-506-3315
NIINs: 015063315, 015617892, 016191157
FSC: 5310 — Nuts and Washers
CAGE: 02WA1 — GRAINGER BR 507 (USA)
SPECIFICATIONS
special_features7/16-20 ACORN NUT;STAINLESS STEEL
part_name_assigned_by_controlling_agencyACORN NUT
NSN5310-01-506-3315
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1784-001-00 · 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
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.438 INCHES IN
SPECIAL FEATURESREPAIR PART FOR CENTRIFUGAL PUMP 4XZ16 NSN 4320-01-506-2047; STAINLESS STEEL; 7/16-20; ALSO CALLED ACORN NUT
PART NAME ASSIGNED BY CONTROLLING AGENCYSTAINLESS STEEL ACORN NUT 7/16-20 FOR CENTRIFUGAL PUMP
END ITEM IDENTIFICATION2HP CENTRIFUGAL PUMP 4XZ16 NSN 4320-01-506-2047
THREAD QUANTITY PER INCH20
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
03-0246Reference document
Same NSN cross-reference
Reference document — Secondary reference
1491257Same 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 1784-001-00?
1784-001-00 is a NUT,PLAIN,CAP.
What parts can replace 1784-001-00?
There are 2 known substitutes for 1784-001-00: 03-0246, 1491257. Substitute compatibility should be verified for your specific system.
What is the NSN for 1784-001-00?
1784-001-00 is cataloged in the U.S. Government catalog under NSN 5310-01-506-3315. 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.