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481378-1 — HOUSING,WAVEGUIDE R

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

481378-1: HOUSING,WAVEGUIDE R.

The HOUSING,WAVEGUIDE R is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thickness: 0.085 INCHES NOMINAL IN, hole_diameter: 1.780 INCHES NOMINAL IN, overall_diameter: 2.375 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-168-7356, 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→ 481378-1
NSN: 5310-00-168-7356
NIINs: 001687356, 010973282
FSC: 5310 — Nuts and Washers
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thickness0.085 INCHES NOMINAL IN
hole_diameter1.780 INCHES NOMINAL IN
overall_diameter2.375 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-168-7356
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 481378-1 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL DIAMETER: 2.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 1.780 INCHES NOMINAL IN
•
THICKNESS: 0.085 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER2.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER1.780 INCHES NOMINAL IN
THICKNESS0.085 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
4813781-7Same 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)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 481378-1?
481378-1 is a HOUSING,WAVEGUIDE R. It is classified as a MRO (MRO_GENERAL).
What parts can replace 481378-1?
There is 1 known substitute for 481378-1: 4813781-7. Substitute compatibility should be verified for your specific system.
What is the NSN for 481378-1?
481378-1 is cataloged in the U.S. Government catalog under NSN 5310-00-168-7356. 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.