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5623173 — PLATE,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5623173: PLATE,MOUNTING.

The PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include shape: SPECIAL, width: 3.610 INCHES NOMINAL3.610 INCHES NOMINAL IN, length: 3.380 INCHES NOMINAL3.380 INCHES NOMINAL IN, material: STEEL COMP 316L, thickness: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, corner_radius: 0.190 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-355-7716, 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
5623173
NSN: 5340-01-355-7716
FSC: 5340 — Hardware, Commercial
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
shapeSPECIAL
width3.610 INCHES NOMINAL3.610 INCHES NOMINAL IN
length3.380 INCHES NOMINAL3.380 INCHES NOMINAL IN
materialSTEEL COMP 316L
thickness0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
corner_radius0.190 INCHES NOMINAL IN
surface_treatmentPASSIVATE
mounting_hole_typeUNTHREADED
mounting_hole_diameter0.390 INCHES MINIMUM AND 0.396 INCHES MAXIMUM SECOND HOLE IN
mounting_hole_quantity2 AND 4 AND 1
material_document_and_classificationQQ-S-763, COMP 316L, COND A FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766 FED SPEC 2ND MATERIAL RESPONSE
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
NSN5340-01-355-7716
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5623173 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
•
MOUNTING HOLE QUANTITY: 2 AND 4 AND 1
•
CORNER RADIUS: 0.190 INCHES NOMINAL IN
•
LENGTH: 3.380 INCHES NOMINAL3.380 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, COMP 316L, COND A FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766 FED SPEC 2ND MATERIAL RESPONSE
•
MOUNTING HOLE DIAMETER: 0.155 INCHES MINIMUM AND 0.161 INCHES MAXIMUM FIRST HOLE IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY2 AND 4 AND 1
CORNER RADIUS0.190 INCHES NOMINAL IN
LENGTH3.380 INCHES NOMINAL3.380 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763, COMP 316L, COND A FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-766 FED SPEC 2ND MATERIAL RESPONSE
MOUNTING HOLE DIAMETER0.155 INCHES MINIMUM AND 0.161 INCHES MAXIMUM FIRST HOLE IN
MOUNTING HOLE DIAMETER0.311 INCHES MINIMUM AND 0.318 INCHES MAXIMUM ALL HOLES IN
MOUNTING HOLE DIAMETER0.390 INCHES MINIMUM AND 0.396 INCHES MAXIMUM SECOND HOLE IN
SHAPESPECIAL
SURFACE TREATMENTPASSIVATE
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
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 5623173?
5623173 is a PLATE,MOUNTING.
What is the NSN for 5623173?
5623173 is cataloged in the U.S. Government catalog under NSN 5340-01-355-7716. 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.