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ST7M349 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST7M349: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: RUBBER SILICONE CLASS Q OVERALL, seal_width: 0.380 INCHES NOMINAL IN, temp_rating: -80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF, construction: ONE-PIECE, housing_bore_diameter: 1.500 INCHES NOMINAL IN, end_item_identification: F-15EX. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-719-0599, 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
ST7M349
NSN: 5330-01-719-0599
NIINs: 017190599, 017237232, 017237316
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialRUBBER SILICONE CLASS Q OVERALL
seal_width0.380 INCHES NOMINAL IN
temp_rating-80.0 FAHRENHEIT AND 450.0 FAHRENHEIT DEGF
constructionONE-PIECE
housing_bore_diameter1.500 INCHES NOMINAL IN
end_item_identificationF-15EX
accommodated_shaft_diameter0.984 INCHES MINIMUM AND 1.016 INCHES MAXIMUM IN
cross-sectional_shape_styleSINGLE LIP
material_document_and_classificationZZ-R-765 OR A-A-59588,CLASS 3,GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencySEAL,PLAIN-INTERFACE
NSN5330-01-719-0599
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST7M349 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
•
SEAL WIDTH: 0.705 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ZZ-R-765 ASSN STD SINGLE MATERIAL RESPONSE OR A-A-59588, CL 3, GR 50 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
ACCOMMODATED SHAFT DIAMETER: 1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN
•
MATERIAL: SILICONE OVERALL
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.705 INCHES MINIMUM AND 0.725 INCHES MAXIMUM IN
HOUSING BORE DIAMETER2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONZZ-R-765 ASSN STD SINGLE MATERIAL RESPONSE OR A-A-59588, CL 3, GR 50 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESINGLE LIP
ACCOMMODATED SHAFT DIAMETER1.734 INCHES MINIMUM AND 1.766 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL, PLAIN-INTERFACE
END ITEM IDENTIFICATIONF-15EX
MATERIALSILICONE OVERALL
CONSTRUCTIONONE-PIECE
SUBSTITUTES & CROSS-REFERENCES 2
PL 68A870160Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
ST7M349-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST7M349?
ST7M349 is a SEAL,PLAIN.
What parts can replace ST7M349?
There are 2 known substitutes for ST7M349: PL 68A870160, ST7M349-14. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M349?
ST7M349 is cataloged in the U.S. Government catalog under NSN 5330-01-719-0599. This indicates validated use in U.S. government and defense supply chains.
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