SM-A-778231-4 — WAVEGUIDE ASSEMBLY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

SM-A-778231-4: WAVEGUIDE ASSEMBLY.

The WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY ALL TUBING SEGMENT AND FLANGE, flexibility: FLEXIBLE SINGLE TUBING SEGMENT, flange_depth: 0.750 INCHES NOMINAL ALL FLANGES IN, flange_style: CHOKE TYPE ALL FLANGES, thread_class: 2B ALL FLANGES ALL CONNECTION FACILITIES, style_designator: STRAIGHT TYPE. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-008-8168, 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

SM-A-778231-4

NSN: 5985-01-008-8168
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)

SPECIFICATIONS

material	COPPER ALLOY ALL TUBING SEGMENT AND FLANGE
flexibility	FLEXIBLE SINGLE TUBING SEGMENT
flange_depth	0.750 INCHES NOMINAL ALL FLANGES IN
flange_style	CHOKE TYPE ALL FLANGES
thread_class	2B ALL FLANGES ALL CONNECTION FACILITIES
flange_quantity	2
style_designator	STRAIGHT TYPE
thread_direction	RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
waveguide_length	2.416 FEET NOMINAL FT
precious_material	SILVER
surface_treatment	SILVER ALL TUBING SEGMENT AND FLANGE ALL SURFACES
operating_pressure	30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
NSN	5985-01-008-8168

COMPONENT DIAGRAM

KEY FEATURES

•

TUBING WALL CONSTRUCTION STYLE: SEAMLESS SINGLE TUBING SEGMENT

•

FLANGE INSIDE HEIGHT: 0.622 INCHES NOMINAL ALL FLANGES IN

•

FLANGE QUANTITY: 2

•

PRECIOUS MATERIAL: SILVER

•

VOLTAGE STANDING WAVE RATIO: 1.06

•

STYLE DESIGNATOR: STRAIGHT TYPE

•

FLEXIBILITY: FLEXIBLE SINGLE TUBING SEGMENT

•

WAVEGUIDE INSIDE WIDTH: 1.372 INCHES NOMINAL IN

TECHNICAL CHARACTERISTICS

TUBING WALL CONSTRUCTION STYLE	SEAMLESS SINGLE TUBING SEGMENT
FLANGE INSIDE HEIGHT	0.622 INCHES NOMINAL ALL FLANGES IN
FLANGE QUANTITY	2
PRECIOUS MATERIAL	SILVER
VOLTAGE STANDING WAVE RATIO	1.06
STYLE DESIGNATOR	STRAIGHT TYPE
FLEXIBILITY	FLEXIBLE SINGLE TUBING SEGMENT
WAVEGUIDE INSIDE WIDTH	1.372 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLE	INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
OPERATING PRESSURE	30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS

OTHER ITEMS IN FSC 5985 — Antennas, Waveguides, and Related Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5985-00-001-1854 5985-00-001-1862 5985-00-001-1869 5985-00-001-1870 5985-00-001-1871 5985-00-001-1874 5985-00-001-1875 5985-00-001-1876

SUBSTITUTES & CROSS-REFERENCES 3

AS4C137-29Reference document

Same NSN cross-reference

Reference document — Secondary reference

AS4C137N29.00Reference document

Same NSN cross-reference

Reference document — Secondary reference

MSBS137-502-P-29B(MIL)Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is SM-A-778231-4?

SM-A-778231-4 is a WAVEGUIDE ASSEMBLY.

What parts can replace SM-A-778231-4?

There are 3 known substitutes for SM-A-778231-4: AS4C137-29, AS4C137N29.00, MSBS137-502-P-29B(MIL). Substitute compatibility should be verified for your specific system.

What is the NSN for SM-A-778231-4?

SM-A-778231-4 is cataloged in the U.S. Government catalog under NSN 5985-01-008-8168. This indicates validated use in U.S. government and defense supply chains.

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