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328741 — BASE,ELECTRICAL RELAY

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

328741: BASE,ELECTRICAL RELAY.

The BASE,ELECTRICAL RELAY is a the manufacturer industrial component. Key specifications include overall_width: 1.630 INCHES NOMINAL IN, overall_height: 3.000 INCHES NOMINAL IN, overall_length: 20.000 INCHES NOMINAL IN, special_features: MEMBRANE SWITCH, end_item_identification: NSN 2320-01-452-5579, TRUCK TRACTOR, attachment_to_item_supported_method: 16 HOLES (0.380 INCH DIAMETER) IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-207-2074, 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
328741
NSN: 5310-01-207-2074
NIINs: 012072074, 014538797, 015035986
FSC: 5310 — Nuts and Washers
CAGE: 1UVT5 — BRP US INC (USA)
SPECIFICATIONS
overall_width1.630 INCHES NOMINAL IN
overall_height3.000 INCHES NOMINAL IN
overall_length20.000 INCHES NOMINAL IN
special_featuresMEMBRANE SWITCH
end_item_identificationNSN 2320-01-452-5579, TRUCK TRACTOR
attachment_to_item_supported_method16 HOLES (0.380 INCH DIAMETER) IN
supporting_object/surface_attachment_methodMTG BKT BY MEANS OF 0.250 BY 0.630 INCH MOUNTING SLOTS (3 PLACES) IN
NSN5310-01-207-2074
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 328741 · 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
SUBSTITUTES & CROSS-REFERENCES 1
ZB0328741Same 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 328741?
328741 is a BASE,ELECTRICAL RELAY.
What parts can replace 328741?
There is 1 known substitute for 328741: ZB0328741. Substitute compatibility should be verified for your specific system.
What is the NSN for 328741?
328741 is cataloged in the U.S. Government catalog under NSN 5310-01-207-2074. 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.