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5190390 — COVER ASSEMBLY,ELEVATION DATA UN

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

5190390: COVER ASSEMBLY,ELEVATION DATA UN.

COVER ASSEMBLY,ELEVATION DATA UN. Key specifications include end_item_identification: NSN 1005-01-688-0705, part_name_assigned_by_controlling_agency: COVER ASSEMBLY,ELEVATION DATA UNIT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-275-0463, 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
5190390
NSN: 5310-00-275-0463
NIINs: 002750463, 017027231
FSC: 5310 — Nuts and Washers
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
end_item_identificationNSN 1005-01-688-0705
part_name_assigned_by_controlling_agencyCOVER ASSEMBLY,ELEVATION DATA UNIT
NSN5310-00-275-0463
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5190390 · 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
•
FLANGE WIDTH ACROSS FLATS: 0.750 INCHES NOMINAL IN
•
NUT LENGTH: 1.000 INCHES NOMINAL IN
•
FLANGE THICKNESS: 0.125 INCHES NOMINAL IN
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
NUT DIAMETER: 0.620 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FLANGE WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
NUT LENGTH1.000 INCHES NOMINAL IN
FLANGE THICKNESS0.125 INCHES NOMINAL IN
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
NUT DIAMETER0.620 INCHES MINIMUM AND 0.623 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPEROUND NUT
COUNTERSINK ANGLE90.0 DEGREES NOMINAL NUT
SUBSTITUTES & CROSS-REFERENCES 1
VA1843Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5190390?
5190390 is a COVER ASSEMBLY,ELEVATION DATA UN.
What parts can replace 5190390?
There is 1 known substitute for 5190390: VA1843. Substitute compatibility should be verified for your specific system.
What is the NSN for 5190390?
5190390 is cataloged in the U.S. Government catalog under NSN 5310-00-275-0463. 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.