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125579A-16 — SEAL,PLAIN

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

125579A-16: SEAL,PLAIN.

The SEAL,PLAIN is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT B, seal_width: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN, construction: TWO-PIECE, housing_bore_diameter: 0.373 INCHES NOMINAL IN, accommodated_shaft_diameter: 0.551 INCHES NOMINAL IN, cross-sectional_shape_style: C-SECTION W/ FLAT SPRING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-397-8154, 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
125579A-16
NSN: 5330-01-397-8154
FSC: 5330 — Packing and Gasket Materials
CAGE: 73760 — ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT B
seal_width0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
constructionTWO-PIECE
housing_bore_diameter0.373 INCHES NOMINAL IN
accommodated_shaft_diameter0.551 INCHES NOMINAL IN
cross-sectional_shape_styleC-SECTION W/ FLAT SPRING
NSN5330-01-397-8154
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 125579A-16 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: 0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 0.373 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: C-SECTION W/ FLAT SPRING
•
ACCOMMODATED SHAFT DIAMETER: 0.551 INCHES NOMINAL IN
•
MATERIAL: STEEL CORROSION RESISTING SPRING
•
CONSTRUCTION: TWO-PIECE
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.141 INCHES MINIMUM AND 0.151 INCHES MAXIMUM IN
HOUSING BORE DIAMETER0.373 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEC-SECTION W/ FLAT SPRING
ACCOMMODATED SHAFT DIAMETER0.551 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING SPRING
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT B
CONSTRUCTIONTWO-PIECE
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES 1
V600-110-W-1SReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 125579A-16?
125579A-16 is a SEAL,PLAIN.
What parts can replace 125579A-16?
There is 1 known substitute for 125579A-16: V600-110-W-1S. Substitute compatibility should be verified for your specific system.
What is the NSN for 125579A-16?
125579A-16 is cataloged in the U.S. Government catalog under NSN 5330-01-397-8154. This indicates validated use in U.S. government and defense supply chains.
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