R31-268 — WAVEGUIDE ASSEMBLY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

R31-268: WAVEGUIDE ASSEMBLY.

The WAVEGUIDE ASSEMBLY is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY SECOND FLANGE, flexibility: RIGID SINGLE TUBING SEGMENT, flange_depth: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM SECOND FLANGE IN, flange_style: COVER TYPE SECOND FLANGE, thread_class: 2B SECOND FLANGE ALL CONNECTION FACILITIES, special_features: INCLUDES PRESSSURE PORT BOSS VALVE. This part is cataloged in the U.S.

Government catalog under NSN 5985-01-406-7650, 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

R31-268

NSN: 5985-01-406-7650
FSC: 5985 — Antennas, Waveguides, and Related Equipment
CAGE: 06351 — MICROWAVE ENGINEERING CORPORATION (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY SECOND FLANGE
flexibility	RIGID SINGLE TUBING SEGMENT
flange_depth	0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM SECOND FLANGE IN
flange_style	COVER TYPE SECOND FLANGE
thread_class	2B SECOND FLANGE ALL CONNECTION FACILITIES
flange_quantity	2
special_features	INCLUDES PRESSSURE PORT BOSS VALVE
thread_direction	RIGHT-HAND SECOND FLANGE ALL CONNECTION FACILITIES
operating_pressure	45.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
flange_inside_width	1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM SECOND FLANGE IN
nominal_thread_size	0.164 INCHES SECOND FLANGE ALL CONNECTION FACILITIES IN
flange_inside_height	0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SECOND FLANGE IN
NSN	5985-01-406-7650

COMPONENT DIAGRAM

KEY FEATURES

•

TUBING WALL CONSTRUCTION STYLE: SEAMLESS SINGLE TUBING SEGMENT

•

FLANGE INSIDE HEIGHT: 0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SECOND FLANGE IN

•

FLANGE QUANTITY: 2

•

VOLTAGE STANDING WAVE RATIO: 1.40

•

FLEXIBILITY: RIGID SINGLE TUBING SEGMENT

•

WAVEGUIDE INSIDE WIDTH: 1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN

•

CROSS-SECTIONAL SHAPE STYLE: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR

•

OPERATING PRESSURE: 45.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS

TECHNICAL CHARACTERISTICS

TUBING WALL CONSTRUCTION STYLE	SEAMLESS SINGLE TUBING SEGMENT
FLANGE INSIDE HEIGHT	0.493 INCHES MINIMUM AND 0.501 INCHES MAXIMUM SECOND FLANGE IN
FLANGE QUANTITY	2
VOLTAGE STANDING WAVE RATIO	1.40
FLEXIBILITY	RIGID SINGLE TUBING SEGMENT
WAVEGUIDE INSIDE WIDTH	1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE	INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
OPERATING PRESSURE	45.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
FLANGE OUTSIDE HEIGHT	1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM SECOND FLANGE IN
FLANGE INSIDE WIDTH	1.118 INCHES MINIMUM AND 1.126 INCHES MAXIMUM SECOND FLANGE IN

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 1

LE413-0251-0029Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — mutilation + specific procedure

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FREQUENTLY ASKED QUESTIONS

What is R31-268?

R31-268 is a WAVEGUIDE ASSEMBLY.

What parts can replace R31-268?

There is 1 known substitute for R31-268: LE413-0251-0029. Substitute compatibility should be verified for your specific system.

What is the NSN for R31-268?

R31-268 is cataloged in the U.S. Government catalog under NSN 5985-01-406-7650. This indicates validated use in U.S. government and defense supply chains.

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