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3038-04 — SWITCH,PROXIMITY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

3038-04: SWITCH,PROXIMITY.

The SWITCH,PROXIMITY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OR COPPER ALLOY CASE, case_style: FLANGED, seal_width: 0.250 INCHES NOMINAL IN, body_length: 1.110 INCHES NOMINAL IN, overall_width: 0.874 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-551-0414, 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
MRO→ MRO_GENERAL→ 3038-04
NSN: 5330-00-551-0414
NIINs: 005510414, 014179915, 014579979
FSC: 5330 — Packing and Gasket Materials
CAGE: 32195 — OUTBOARD MARINE CORP JOHNSON MOTORS DIV (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OR COPPER ALLOY CASE
case_styleFLANGED
seal_width0.250 INCHES NOMINAL IN
body_length1.110 INCHES NOMINAL IN
overall_width0.874 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height0.642 INCHES NOMINAL IN
overall_length1.634 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)
style_designatorRECTANGULAR
housing_bore_diameter1.377 INCHES MINIMUM AND 1.381 INCHES MAXIMUM IN
sealing_element_styleANGULAR
NSN5330-00-551-0414
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3038-04 MFR: OEM ⚠ 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
•
SEAL WIDTH: 0.250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: ANGULAR
•
HOUSING BORE DIAMETER: 1.377 INCHES MINIMUM AND 1.381 INCHES MAXIMUM IN
•
CASE STYLE: FLANGED
•
ACCOMMODATED SHAFT DIAMETER: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OR COPPER ALLOY CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.250 INCHES NOMINAL IN
SEALING ELEMENT STYLEANGULAR
HOUSING BORE DIAMETER1.377 INCHES MINIMUM AND 1.381 INCHES MAXIMUM IN
CASE STYLEFLANGED
ACCOMMODATED SHAFT DIAMETER0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OR COPPER ALLOY CASE
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 3038-04?
3038-04 is a SWITCH,PROXIMITY. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 3038-04?
3038-04 is cataloged in the U.S. Government catalog under NSN 5330-00-551-0414. 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.