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421028 — WIRING HARNESS

✓ Government record, cited
Legrand · NUT WASHER
PRODUCT OVERVIEW

421028: WIRING HARNESS.

For copper bars Set of 3 terminals. Key specifications include end_item_identification: RQ-4A A. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-467-7995, 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
421028
NSN: 5310-00-467-7995
NIINs: 004677995, 015154067
FSC: 5310 — Nuts and Washers
CAGE: U1918 — MISSION SYSTEMS WIMBORNE LIMITED DIV COBHAM MISSION SYSTEMS WIMBORNE LTD (GBR)
SPECIFICATIONS
end_item_identificationRQ-4A A
NSN5310-00-467-7995
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 421028 · Legrand ⚠ 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

No substitute or cross-reference records for this part.

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 421028?
421028 is a WIRING HARNESS manufactured by Legrand.
What is the NSN for 421028?
421028 is cataloged in the U.S. Government catalog under NSN 5310-00-467-7995. 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.