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H623-0503-7 — BRACKET,MOUNTING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H623-0503-7: BRACKET,MOUNTING.

The BRACKET,MOUNTING is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY, overall_thickness: 0.500 INCHES NOMINAL IN, mounting_hole_type: PLAIN, mounting_hole_diameter: 0.531 INCHES NOMINAL IN, end_item_identification: ROD ASSY, part_name_assigned_by_controlling_agency: RETAINER, STAVE, CROSSHEAD. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-641-6057, 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
H623-0503-7
NSN: 5340-01-641-6057
FSC: 5340 — Hardware, Commercial
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialNICKEL ALLOY
overall_thickness0.500 INCHES NOMINAL IN
mounting_hole_typePLAIN
mounting_hole_diameter0.531 INCHES NOMINAL IN
mounting_hole_quantity3
end_item_identificationROD ASSY
part_name_assigned_by_controlling_agencyRETAINER, STAVE, CROSSHEAD
NSN5340-01-641-6057
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H623-0503-7 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: 3
•
OVERALL THICKNESS: 0.500 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.531 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY
•
MOUNTING HOLE TYPE: PLAIN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY3
OVERALL THICKNESS0.500 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER0.531 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYRETAINER, STAVE, CROSSHEAD
END ITEM IDENTIFICATIONROD ASSY
MATERIALNICKEL ALLOY
MOUNTING HOLE TYPEPLAIN
SUBSTITUTES & CROSS-REFERENCES 1
566-6985431Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 H623-0503-7?
H623-0503-7 is a BRACKET,MOUNTING.
What parts can replace H623-0503-7?
There is 1 known substitute for H623-0503-7: 566-6985431. Substitute compatibility should be verified for your specific system.
What is the NSN for H623-0503-7?
H623-0503-7 is cataloged in the U.S. Government catalog under NSN 5340-01-641-6057. 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.