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Technical Data Sheet
PartsTable / COMPONENT / CSK-9-04238
CSK-9-04238 ✓ 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 BRACKET,MOUNTING is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-303-1655, 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
CSK-9-04238
NSN: 5340-01-303-1655
FSC: 5340
CAGE: 63910 — BAE SYSTEMS TECHNOLOGY SOLUTIONS & SERVICES INC. (USA)
SPECIFICATIONS
Part NumberCSK-9-04238
NSN5340-01-303-1655
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: CSK-9-04238 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 (FLIS)
SPECIAL FEATURESPLATE AND TRAY,ALUMINUM ALLOY,QQ-A-250/11,ALLOY 6061-T4,0.063 IN. THK; ALUMINUM ALLOY PARTS,CHROMATE,MIL-C-5541,CL 1A; NUTS,CADMIUM AND CHROMATE,QQ-P-416,TY 2,CL 2 OR CL 3; SCREWS,PASSIVATE,QQ-P-35; 14.030 IN. O/A LG; FOUR THRU HOLES,0.201 IN. DIA,COUNTERSUNK,100.0 DEG TO 0.390 IN. MIN 0.405 IN. MAX DIA; FOUR HOLES,0.119 IN. MIN 0.124 IN. MAX DIA; SIX HOLES,0.187 IN. MIN 0.193 IN. MAX DIA; TWO HOLES,0.437 IN. MIN 0.444 IN. MAX DIA; TWO SCREWS,0.250-28 UNF THD,2.590 IN. MIN 2.610 IN. MAX DIST BTWN SCREW CENTERS; TWO HINGES,TWO SPACERS; TWO DOUBLER STRAPS,8.490 IN. MIN 8.510 IN. MAX DIST BTWN CENTERS A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
4599Interchangeable
interchangeable cross-reference
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204599Interchangeable
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VT2061Interchangeable
interchangeable cross-reference
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48-08227B01Interchangeable
interchangeable cross-reference
interchangeable
1902-0549Interchangeable
interchangeable cross-reference
interchangeable
1N5365BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CSK-9-04238?
CSK-9-04238 is a BRACKET,MOUNTING.
What parts can replace CSK-9-04238?
There are 16 known substitutes for CSK-9-04238: 4599, 204599, VT2061 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CSK-9-04238?
CSK-9-04238 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-303-1655. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026