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Technical Data Sheet
3924458C1 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The STOP,MECHANICAL is a the manufacturer industrial component. Key specifications include overall_width: 0.625 INCHES NOMINAL IN, overall_height: 0.375 INCHES NOMINAL IN, overall_length: 1.750 INCHES NOMINAL IN, mounting_hole_type: COUNTERSUNK, mounting_hole_diameter: 0.250 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: STOP, ALIGNMENT, GUNNER STAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-599-5677, 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
3924458C1
NSN: 5340-01-599-5677
FSC: 5340
CAGE: 338X5 — ND DEFENSE LLC (USA)
SPECIFICATIONS
overall_width0.625 INCHES NOMINAL IN
overall_height0.375 INCHES NOMINAL IN
overall_length1.750 INCHES NOMINAL IN
mounting_hole_typeCOUNTERSUNK
mounting_hole_diameter0.250 INCHES NOMINAL IN
mounting_hole_quantity2
part_name_assigned_by_controlling_agencySTOP, ALIGNMENT, GUNNER STAND
NSN5340-01-599-5677
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 3924458C1 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
MOUNTING HOLE TYPE: COUNTERSUNK
MOUNTING HOLE DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE QUANTITY2
PART NAME ASSIGNED BY CONTROLLING AGENCYSTOP, ALIGNMENT, GUNNER STAND
OVERALL LENGTH1.750 INCHES NOMINAL IN
OVERALL HEIGHT0.375 INCHES NOMINAL IN
MOUNTING HOLE TYPECOUNTERSUNK
MOUNTING HOLE DIAMETER0.250 INCHES NOMINAL IN
OVERALL WIDTH0.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
3744Interchangeable
interchangeable cross-reference
interchangeable
FS3744Interchangeable
interchangeable cross-reference
interchangeable
D5529-1ISSUE7PT2Interchangeable
interchangeable cross-reference
interchangeable
WW6665748PC5T07Interchangeable
interchangeable cross-reference
interchangeable
6665712PT8T010Interchangeable
interchangeable cross-reference
interchangeable
A6387Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3924458C1?
3924458C1 is a STOP,MECHANICAL.
What parts can replace 3924458C1?
There are 13 known substitutes for 3924458C1: 3744, FS3744, D5529-1ISSUE7PT2 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3924458C1?
3924458C1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-599-5677. This indicates validated use in U.S. government and defense supply chains.
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