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PartsTable / COMPONENT / STSMU010H0400
STSMU010H0400 ✓ 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 SLEEVE,SEAL,COUPLER is a the manufacturer industrial component. Key specifications include material: COTTON AND GLASS AND RUBBER SYNTHETIC OVERALL, recess_length: 0.938 INCHES NOMINAL IN, recess_diameter: 4.125 INCHES NOMINAL IN, cross-sectional_length: 1.500 INCHES NOMINAL IN, raised_diameter_length: 1.125 INCHES NOMINAL IN, cross-sectional_shape_style: SPHERICAL INSIDE RECESSED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-582-7390, 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
STSMU010H0400
NSN: 5330-00-582-7390
FSC: 5330
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialCOTTON AND GLASS AND RUBBER SYNTHETIC OVERALL
recess_length0.938 INCHES NOMINAL IN
recess_diameter4.125 INCHES NOMINAL IN
cross-sectional_length1.500 INCHES NOMINAL IN
raised_diameter_length1.125 INCHES NOMINAL IN
cross-sectional_shape_styleSPHERICAL INSIDE RECESSED
cross_section_inside_diameter4.000 INCHES NOMINAL IN
cross_section_outside_diameter4.421 INCHES NOMINAL IN
NSN5330-00-582-7390
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: STSMU010H0400 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
•
RAISED DIAMETER LENGTH: 1.125 INCHES NOMINAL IN
•
MATERIAL: COTTON AND GLASS AND RUBBER SYNTHETIC OVERALL
•
RECESS DIAMETER: 4.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL LENGTH: 1.500 INCHES NOMINAL IN
•
CROSS SECTION OUTSIDE DIAMETER: 4.421 INCHES NOMINAL IN
•
RECESS LENGTH: 0.938 INCHES NOMINAL IN
•
CROSS SECTION INSIDE DIAMETER: 4.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SPHERICAL INSIDE RECESSED
TECHNICAL CHARACTERISTICS (FLIS)
RAISED DIAMETER LENGTH1.125 INCHES NOMINAL IN
MATERIALCOTTON AND GLASS AND RUBBER SYNTHETIC OVERALL
RECESS DIAMETER4.125 INCHES NOMINAL IN
CROSS-SECTIONAL LENGTH1.500 INCHES NOMINAL IN
CROSS SECTION OUTSIDE DIAMETER4.421 INCHES NOMINAL IN
RECESS LENGTH0.938 INCHES NOMINAL IN
CROSS SECTION INSIDE DIAMETER4.000 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESPHERICAL INSIDE RECESSED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
201045Interchangeable
interchangeable cross-reference
interchangeable
5174035Interchangeable
interchangeable cross-reference
interchangeable
50-4400Interchangeable
interchangeable cross-reference
interchangeable
SS4-400Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STSMU010H0400?
STSMU010H0400 is a SLEEVE,SEAL,COUPLER.
What parts can replace STSMU010H0400?
There are 4 known substitutes for STSMU010H0400: 201045, 5174035, 50-4400 and 1 more. Substitute compatibility should be verified for your specific system.
Is STSMU010H0400 still available?
STSMU010H0400 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026