PartsTable
Technical Data Sheet
MS51956-1 ✓ 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: STEEL LOCATION NOT OTHERWISE SPECIFIED, mounting_pad: NOT INCLUDED, overall_width: 0.635 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, overall_length: 1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN, special_features: SIZE 1/2 IN. THIN WALL EMT CONDUIT IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-924-1683, 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
MS51956-1
NSN: 5340-00-924-1683
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
cushionNOT INCLUDED
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
mounting_padNOT INCLUDED
overall_width0.635 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
overall_length1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
special_featuresSIZE 1/2 IN. THIN WALL EMT CONDUIT IN
style_designatorCURVED ARCH
surface_treatmentZINC
material_thickness0.078 INCHES MINIMUM AND 0.109 INCHES MAXIMUM IN
mounting_hole_size0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
inside_diameter/arch_length0.706 INCHES NOMINAL IN
distance_between_base_and_inside_of_arch0.625 INCHES NOMINAL IN
NSN5340-00-924-1683
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS51956-1 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 SIZE: 0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
MATERIAL: STEEL LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATOR: CURVED ARCH
SURFACE TREATMENT: ZINC
DISTANCE BETWEEN BASE AND INSIDE OF ARCH: 0.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING HOLE SIZE0.250 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
OVERALL WIDTH0.635 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
MATERIALSTEEL LOCATION NOT OTHERWISE SPECIFIED
STYLE DESIGNATORCURVED ARCH
SURFACE TREATMENTZINC
DISTANCE BETWEEN BASE AND INSIDE OF ARCH0.625 INCHES NOMINAL IN
OVERALL LENGTH1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
SPECIAL FEATURESSIZE 1/2 IN. THIN WALL EMT CONDUIT IN
INSIDE DIAMETER/ARCH LENGTH0.706 INCHES NOMINAL IN
MOUNTING PADNOT INCLUDED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
FF-S-760Upgraded Successor
successor cross-reference
successor
167A33Upgraded Successor
successor cross-reference
successor
NASM760-TYP1, STYB, 5/16Upgraded Successor
successor cross-reference
successor
PTMC75Upgraded Successor
successor cross-reference
successor
NASM760Upgraded Successor
successor cross-reference
successor
MS35140-16Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS51956-1?
MS51956-1 is a STRAP,RETAINING.
What parts can replace MS51956-1?
There are 21 known substitutes for MS51956-1: FF-S-760, 167A33, NASM760-TYP1, STYB, 5/16 and 18 more. Substitute compatibility should be verified for your specific system.
Is MS51956-1 still available?
MS51956-1 is currently cancelled.
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