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350021 — STEM,FLUID VALVE

✓ Government record, cited
3M · ORING SEAL
PRODUCT OVERVIEW

350021: STEM,FLUID VALVE.

Natural hair and synthetic fiber pad designed for optimum mark removal. For use on harder finishes or in high-traffic areas. Removes scratches and marks while it polishes.

Equipment Type: Electric, Battery, PropaneMachine Speed: Ultra High Speed, 1,500 RPM and above This part is cataloged in the U.S. Government catalog under NSN 5330-01-055-4606, 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
350021
NSN: 5330-01-055-4606
NIINs: 010554606, 012247520, 012735217, 012954808
FSC: 5330 — Packing and Gasket Materials
CAGE: 59364 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL DIV AEROSPACE - TEMPE (WEST WARNER ROAD) (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
design_typeFRICTION
overall_diameter1.120 INCHES NOMINAL IN
inside_diameter_length1.620 INCHES NOMINAL IN
end_item_identificationPROCESS LMG UNIT,NSN 6520-00-890-1382,MODEL: ACRI-DENSE 2
round_cap_outside_surface_conditionSMOOTH
tube_outside_diameter_for_which_designed0.660 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN
opening_inside_diameter_for_which_designed0.660 INCHES NOMINAL IN
NSN5330-01-055-4606
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 350021 MFR: 3M ⚠ 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
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SEAL WIDTH: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
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SEALING ELEMENT STYLE: ANGULAR
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MATERIAL DOCUMENT AND CLASSIFICATION: JEAMIL-S-5059,ANNEALED MIL STD SINGLE MATERIAL RESPONSE CASE
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CASE STYLE: RECESSED
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ACCOMMODATED SHAFT DIAMETER: 1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
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MATERIAL: STEEL COMP 302 CASE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
SEALING ELEMENT STYLEANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONJEAMIL-S-5059,ANNEALED MIL STD SINGLE MATERIAL RESPONSE CASE
CASE STYLERECESSED
ACCOMMODATED SHAFT DIAMETER1.000 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
MATERIALSTEEL COMP 302 CASE
MATERIALCARBON GRAPHITE SEALING ELEMENT
SUBSTITUTES & CROSS-REFERENCES 2
10186309Reference document
Same NSN cross-reference
Reference document — Informative reference only
3500219-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 350021?
350021 is a STEM,FLUID VALVE manufactured by 3M.
What parts can replace 350021?
There are 2 known substitutes for 350021: 10186309, 3500219-4. Substitute compatibility should be verified for your specific system.
What is the NSN for 350021?
350021 is cataloged in the U.S. Government catalog under NSN 5330-01-055-4606. This indicates validated use in U.S. government and defense supply chains.
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