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Technical Data Sheet
PTMC125 ✓ 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 STRAP,RETAINING is a the manufacturer industrial component. Key specifications include cushion: NOT INCLUDED, material: IRON CAST UNS F22400 LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.875 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN, overall_length: 3.250 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN, style_designator: HALF ARCH. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-190-6767, 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
PTMC125
NSN: 5340-00-190-6767
FSC: 5340
CAGE: 72629 — GENERAL CABLE CO DIV OF GK TECHNOLOGIES INC DIAMOND EXPANSION BOLT CO DIV (USA)
SPECIFICATIONS
cushionNOT INCLUDED
materialIRON CAST UNS F22400 LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.875 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
overall_length3.250 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
style_designatorHALF ARCH
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE
material_thickness0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
mounting_hole_size0.313 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
inside_diameter/arch_length1.660 INCHES MINIMUM AND 1.722 INCHES MAXIMUM IN
nondefinitive_spec/std_dataN0.-535140-16 PART
departure_from_cited_designatorQHWQ,QHWS
NSN5340-00-190-6767
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: PTMC125 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
MATERIAL THICKNESS: 0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATA: N0.-535140-16 PART
STYLE DESIGNATOR: HALF ARCH
DEPARTURE FROM CITED DESIGNATOR: QHWQ,QHWS
SURFACE TREATMENT: CADMIUM AND CHROMATE OR ZINC AND CHROMATE
MATERIAL: IRON CAST UNS F22400 LOCATION NOT OTHERWISE SPECIFIED
CUSHION: NOT INCLUDED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.063 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAN0.-535140-16 PART
STYLE DESIGNATORHALF ARCH
DEPARTURE FROM CITED DESIGNATORQHWQ,QHWS
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE
MATERIALIRON CAST UNS F22400 LOCATION NOT OTHERWISE SPECIFIED
OVERALL WIDTH0.875 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN
CUSHIONNOT INCLUDED
MOUNTING PADNOT INCLUDED
OVERALL LENGTH3.250 INCHES MINIMUM AND 3.500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
FFS760Upgraded Successor
successor cross-reference
successor
MS35140-23Upgraded Successor
successor cross-reference
successor
NASM760Upgraded Successor
successor cross-reference
successor
PTMC250Upgraded Successor
successor cross-reference
successor
FF-S-760AUpgraded Successor
successor cross-reference
successor
1280Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PTMC125?
PTMC125 is a STRAP,RETAINING.
What parts can replace PTMC125?
There are 20 known substitutes for PTMC125: FFS760, MS35140-23, NASM760 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PTMC125?
PTMC125 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-190-6767. This indicates validated use in U.S. government and defense supply chains.
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