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ST7M288-122E1 — PACKING ASSEMBLY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

ST7M288-122E1: PACKING ASSEMBLY.

The PACKING ASSEMBLY is a the manufacturer industrial component. Key specifications include height: 0.133 INCHES NOMINAL IN, material: PLASTIC POLYTETRAFLUOROETHYLENE TOP RING, temp_rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF, inside_diameter: 1.108 INCHES NOMINAL IN, outside_diameter: 1.314 INCHES NOMINAL IN, cross-sectional_shape_style: SPECIAL INTERMEDIATE RING. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-044-2339, 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
ST7M288-122E1
NSN: 5330-01-044-2339
FSC: 5330 — Packing and Gasket Materials
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
height0.133 INCHES NOMINAL IN
materialPLASTIC POLYTETRAFLUOROETHYLENE TOP RING
temp_rating-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
inside_diameter1.108 INCHES NOMINAL IN
outside_diameter1.314 INCHES NOMINAL IN
intermediate_ring_quantity1
cross-sectional_shape_styleSPECIAL INTERMEDIATE RING
specification/standard_data76301-ST7-288 MANUFACTURERS SPECIFICATION
material_document_and_classificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING
NSN5330-01-044-2339
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: ST7M288-122E1 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
•
TEMP RATING: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
•
INTERMEDIATE RING QUANTITY: 1
•
OUTSIDE DIAMETER: 1.314 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR BOTTOM RING
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF
INTERMEDIATE RING QUANTITY1
OUTSIDE DIAMETER1.314 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE INTERMEDIATE RING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE BOTTOM RING
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE TOP RING
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR BOTTOM RING
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR TOP RING
CROSS-SECTIONAL SHAPE STYLESPECIAL INTERMEDIATE RING
SPECIFICATION/STANDARD DATA76301-ST7-288 MANUFACTURERS SPECIFICATION
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 2
S38410-122BAK1SSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7122FR160-5708Reference 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 ST7M288-122E1?
ST7M288-122E1 is a PACKING ASSEMBLY.
What parts can replace ST7M288-122E1?
There are 2 known substitutes for ST7M288-122E1: S38410-122BAK1S, 7122FR160-5708. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M288-122E1?
ST7M288-122E1 is cataloged in the U.S. Government catalog under NSN 5330-01-044-2339. This indicates validated use in U.S. government and defense supply chains.
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