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Technical Data Sheet
ST9M621-1000 ✓ 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 BUTTON,PLUG is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON, head_height: 0.062 INCHES NOMINAL IN, overall_height: 0.453 INCHES NOMINAL IN, special_features: COLOR BLACK, style_designator: WIRE SPRING FLANGED BOTTOM, head_outside_diameter: 1.203 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-183-7039, 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
ST9M621-1000
NSN: 5340-01-183-7039
FSC: 5340
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON
head_height0.062 INCHES NOMINAL IN
overall_height0.453 INCHES NOMINAL IN
special_featuresCOLOR BLACK
style_designatorWIRE SPRING FLANGED BOTTOM
head_outside_diameter1.203 INCHES NOMINAL IN
bottom_outside_diameter1.000 INCHES NOMINAL IN
hole_accommodation_diameter1.000 INCHES NOMINAL IN
material_document_and_classificationASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-183-7039
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST9M621-1000 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
HOLE ACCOMMODATION DIAMETER: 1.000 INCHES NOMINAL IN
HEAD HEIGHT: 0.062 INCHES NOMINAL IN
STYLE DESIGNATOR: WIRE SPRING FLANGED BOTTOM
BOTTOM OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
HEAD OUTSIDE DIAMETER: 1.203 INCHES NOMINAL IN
MATERIAL: PLASTIC POLYAMIDE NYLON
TECHNICAL CHARACTERISTICS (FLIS)
HOLE ACCOMMODATION DIAMETER1.000 INCHES NOMINAL IN
HEAD HEIGHT0.062 INCHES NOMINAL IN
STYLE DESIGNATORWIRE SPRING FLANGED BOTTOM
OVERALL HEIGHT0.453 INCHES NOMINAL IN
BOTTOM OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR BLACK
HEAD OUTSIDE DIAMETER1.203 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON
MATERIAL DOCUMENT AND CLASSIFICATIONASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
412012Upgraded Successor
successor cross-reference
successor
TM-412012Upgraded Successor
successor cross-reference
successor
DP-1000Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ST9M621-1000?
ST9M621-1000 is a BUTTON,PLUG.
What parts can replace ST9M621-1000?
There are 3 known substitutes for ST9M621-1000: 412012, TM-412012, DP-1000. Substitute compatibility should be verified for your specific system.
Is ST9M621-1000 still available?
ST9M621-1000 is currently cancelled.
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