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Technical Data Sheet
PartsTable / COMPONENT / MS28042-4
MS28042-4 ✓ 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 CLAMP,INSTRUMENT MOUNTING is a the manufacturer industrial component. Key specifications include color: BLACK, width: 1.040 INCHES NOMINAL IN, height: 1.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY, inside_diameter: 0.960 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN, style_designator: ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-906-0707, 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
MS28042-4
NSN: 5340-00-906-0707
FSC: 5340
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
colorBLACK
width1.040 INCHES NOMINAL IN
height1.000 INCHES NOMINAL IN
materialALUMINUM ALLOY
inside_diameter0.960 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
style_designatorROUND
surface_treatmentANODIZE
center_to_center_distance_between_holes1.330 INCHES NOMINAL IN
distance_from_aperture_center_to_mounting_hole_center0.665 INCHES NOMINAL IN
NSN5340-00-906-0707
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS28042-4 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
•
SURFACE TREATMENT: ANODIZE
•
INSIDE DIAMETER: 0.960 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
•
COLOR: BLACK
•
CENTER TO CENTER DISTANCE BETWEEN HOLES: 1.330 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
HEIGHT: 1.000 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY
•
WIDTH: 1.040 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTANODIZE
INSIDE DIAMETER0.960 INCHES MINIMUM AND 1.040 INCHES MAXIMUM IN
COLORBLACK
CENTER TO CENTER DISTANCE BETWEEN HOLES1.330 INCHES NOMINAL IN
STYLE DESIGNATORROUND
HEIGHT1.000 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY
WIDTH1.040 INCHES NOMINAL IN
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER0.665 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
640001Upgraded Successor
successor cross-reference
successor
640005Upgraded Successor
successor cross-reference
successor
NH1004237Upgraded Successor
successor cross-reference
successor
NH1002261-10Interchangeable
interchangeable cross-reference
interchangeable
2814580Interchangeable
interchangeable cross-reference
interchangeable
50-324233-21Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS28042-4?
MS28042-4 is a CLAMP,INSTRUMENT MOUNTING.
What parts can replace MS28042-4?
There are 18 known substitutes for MS28042-4: 640001, 640005, NH1004237 and 15 more. Substitute compatibility should be verified for your specific system.
Is MS28042-4 still available?
MS28042-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026