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123-0045 — STOP,MECHANICAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

123-0045: STOP,MECHANICAL.

The STOP,MECHANICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, hole_type: PLAINPLAIN, insert_style: PROTRUDING FLANGEPROTRUDING FLANGE, body_diameter: 0.257 INCHES MINIMUM AND 0.257 INCHES MINIMUM AND 0.261 INCHES MAXIMUM0.261 INCHES MAXIMUM IN, hole_diameter: 0.237 INCHES MINIMUM AND 0.237 INCHES MINIMUM AND 0.240 INCHES MAXIMUM0.240 INCHES MAXIMUM IN, flange_diameter: 0.485 INCHES MINIMUM AND 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM0.495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-074-9511, 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
123-0045
NSN: 5340-00-074-9511
NIINs: 000749511, 015302466
FSC: 5340 — Hardware, Commercial
CAGE: 10639 — AVIONICS SPECIALTIES, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
hole_typePLAINPLAIN
insert_stylePROTRUDING FLANGEPROTRUDING FLANGE
body_diameter0.257 INCHES MINIMUM AND 0.257 INCHES MINIMUM AND 0.261 INCHES MAXIMUM0.261 INCHES MAXIMUM IN
hole_diameter0.237 INCHES MINIMUM AND 0.237 INCHES MINIMUM AND 0.240 INCHES MAXIMUM0.240 INCHES MAXIMUM IN
flange_diameter0.485 INCHES MINIMUM AND 0.485 INCHES MINIMUM AND 0.495 INCHES MAXIMUM0.495 INCHES MAXIMUM IN
flange_thickness0.008 INCHES MINIMUM AND 0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM0.012 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
end_item_identificationPANEL INSTL; FAIRING INSTL; V022 AIRCRAFTPANEL INSTL; FAIRING INSTL; V022 AIRCRAFT
criticality_code_justificationFEATFEAT
part_name_assigned_by_controlling_agencyGROMMET,METALLICGROMMET,METALLIC
NSN5340-00-074-9511
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 123-0045 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESSTAINLESS STEEL PER QQ-S-764 TYPE 303 OR 303SE,COND A;0.495 IN. O/A DIA IN
SUBSTITUTES & CROSS-REFERENCES 1
123-45Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 123-0045?
123-0045 is a STOP,MECHANICAL.
What parts can replace 123-0045?
There is 1 known substitute for 123-0045: 123-45. Substitute compatibility should be verified for your specific system.
What is the NSN for 123-0045?
123-0045 is cataloged in the U.S. Government catalog under NSN 5340-00-074-9511. This indicates validated use in U.S. government and defense supply chains.
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