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410258 — COVER,ELECTRICAL CONNECTOR

✓ Government record, cited
Legrand · ORING SEAL
PRODUCT OVERVIEW

410258: COVER,ELECTRICAL CONNECTOR.

The COVER,ELECTRICAL CONNECTOR is a Legrand industrial component. Key specifications include material: STEEL COMP 410, seal_type: GROMMET, body_height: 0.750 INCHES NOMINAL IN, thread_class: 2B, first_leg_angle: 90.0 DEGREES NOMINAL, first_leg_style: END RADIUS. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-057-4235, 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
410258
NSN: 5340-00-057-4235
NIINs: 000574235, 001652572
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 410
seal_typeGROMMET
body_height0.750 INCHES NOMINAL IN
thread_class2B
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleEND RADIUS
first_leg_width0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
furnished_itemsCHAIN
first_leg_length0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN
overall_diameter1.500 INCHES NOMINAL IN
second_leg_styleEND RADIUS
second_leg_width0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
NSN5340-00-057-4235
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 410258 MFR: Legrand ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
•
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
FIRST LEG HOLE DIAMETER: 0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
•
FIRST LEG ANGLE: 90.0 DEGREES NOMINAL
•
SECOND LEG RELATIONSHIP TO FIRST LEG: NOT IDENTICAL
•
SECOND LEG HOLE DIAMETER: 0.214 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
•
SECOND LEG WIDTH: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
•
SECOND LEG LENGTH: 1.290 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
FIRST LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
FIRST LEG HOLE DIAMETER0.339 INCHES MINIMUM AND 0.349 INCHES MAXIMUM IN
FIRST LEG ANGLE90.0 DEGREES NOMINAL
SECOND LEG RELATIONSHIP TO FIRST LEGNOT IDENTICAL
SECOND LEG HOLE DIAMETER0.214 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
SECOND LEG WIDTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
SECOND LEG LENGTH1.290 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN
FIRST LEG HOLE ARRANGEMENT STYLEONE HOLE
SECOND LEG DISTANCE FROM EDGE TO HOLE CENTER ALONG WIDTH0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 410258?
410258 is a COVER,ELECTRICAL CONNECTOR manufactured by Legrand.
What is the NSN for 410258?
410258 is cataloged in the U.S. Government catalog under NSN 5340-00-057-4235. 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.