UG-138/U — LIGHT EMITTING DIODE

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

UG-138/U: LIGHT EMITTING DIODE.

The LIGHT EMITTING DIODE is a the manufacturer industrial component. Key specifications include material: ALUMINUM SINGLE FLANGE, flange_depth: 0.438 INCHES NOMINAL SINGLE FLANGE IN, flange_style: COVER TYPE SINGLE FLANGE, special_features: PRESSURIZED TYPE, flange_inside_width: 1.253 INCHES NOMINAL SINGLE FLANGE IN, flange_inside_height: 0.628 INCHES NOMINAL SINGLE FLANGE IN. This part is cataloged in the U.S.

Government catalog under NSN 5985-00-177-1669, 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→ UG-138/U

NSN: 5985-00-177-1669
NIINs: 001771669, 001949380
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

SPECIFICATIONS

material	ALUMINUM SINGLE FLANGE
flange_depth	0.438 INCHES NOMINAL SINGLE FLANGE IN
flange_style	COVER TYPE SINGLE FLANGE
special_features	PRESSURIZED TYPE
flange_inside_width	1.253 INCHES NOMINAL SINGLE FLANGE IN
flange_inside_height	0.628 INCHES NOMINAL SINGLE FLANGE IN
flange_outside_width	1.875 INCHES NOMINAL SINGLE FLANGE IN
fsc_application_data	ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
flange_outside_height	1.875 INCHES NOMINAL SINGLE FLANGE IN
specification/standard_data	81349-MIL-F-3922/53 GOVERNMENT SPECIFICATION
flange_connecting_hole_diameter	0.169 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN
flange_connecting_facility_and_quantity	4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
NSN	5985-00-177-1669

COMPONENT DIAGRAM

KEY FEATURES

•

FSC APPLICATION DATA: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT

•

FLANGE INSIDE HEIGHT: 0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM SINGLE FLANGE IN

•

FLANGE OUTSIDE HEIGHT: 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE IN

•

FLANGE CONNECTING HOLE DIAMETER: 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN

•

FLANGE INSIDE WIDTH: 1.253 INCHES MINIMUM AND 1.256 INCHES MAXIMUM SINGLE FLANGE IN

•

SPECIFICATION/STANDARD DATA: 81349-MIL-F-3922/53 GOVERNMENT SPECIFICATION

•

FLANGE DEPTH: 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SINGLE FLANGE IN

•

FLANGE OUTSIDE WIDTH: 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE IN

TECHNICAL CHARACTERISTICS

FSC APPLICATION DATA	ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
FLANGE INSIDE HEIGHT	0.628 INCHES MINIMUM AND 0.631 INCHES MAXIMUM SINGLE FLANGE IN
FLANGE OUTSIDE HEIGHT	1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE IN
FLANGE CONNECTING HOLE DIAMETER	0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN
FLANGE INSIDE WIDTH	1.253 INCHES MINIMUM AND 1.256 INCHES MAXIMUM SINGLE FLANGE IN
SPECIFICATION/STANDARD DATA	81349-MIL-F-3922/53 GOVERNMENT SPECIFICATION
FLANGE DEPTH	0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SINGLE FLANGE IN
FLANGE OUTSIDE WIDTH	1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SINGLE FLANGE IN
MATERIAL	ALUMINUM SINGLE FLANGE
FLANGE CONNECTING FACILITY AND QUANTITY	4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES

SUBSTITUTES & CROSS-REFERENCES 3

MIL-DTL-3922/53Reference document

Same NSN cross-reference

Reference document — Identification reference

MIL-F-3922/53Reference document

Same NSN cross-reference

Reference document — Secondary reference

M3922/53-004Same 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)Demilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is UG-138/U?

UG-138/U is a LIGHT EMITTING DIODE. It is classified as a MRO (MRO_GENERAL).

What parts can replace UG-138/U?

There are 3 known substitutes for UG-138/U: MIL-DTL-3922/53, MIL-F-3922/53, M3922/53-004. Substitute compatibility should be verified for your specific system.

What is the NSN for UG-138/U?

UG-138/U is cataloged in the U.S. Government catalog under NSN 5985-00-177-1669. This indicates validated use in U.S. government and defense supply chains.

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UG-138/U — LIGHT EMITTING DIODE

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