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M-12446-H1L5 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M-12446-H1L5: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, case_style: SQUARE, seal_width: 0.6250 INCHES NOMINAL IN, sealing_element_style: VERTICAL, accommodated_shaft_diameter: 5.5000 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: SHAFT,SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-701-7041, 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
M-12446-H1L5
NSN: 5330-01-701-7041
FSC: 5330 — Packing and Gasket Materials
CAGE: 48482 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV ENGINEERED POLYMER SYSTEMS (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
case_styleSQUARE
seal_width0.6250 INCHES NOMINAL IN
sealing_element_styleVERTICAL
accommodated_shaft_diameter5.5000 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencySHAFT,SEAL
NSN5330-01-701-7041
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M-12446-H1L5 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: 0.6250 INCHES NOMINAL IN
•
SEALING ELEMENT STYLE: VERTICAL
•
CASE STYLE: SQUARE
•
ACCOMMODATED SHAFT DIAMETER: 5.5000 INCHES NOMINAL IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.6250 INCHES NOMINAL IN
SEALING ELEMENT STYLEVERTICAL
CASE STYLESQUARE
ACCOMMODATED SHAFT DIAMETER5.5000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSHAFT,SEAL
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M-12446-H1L5?
M-12446-H1L5 is a SEAL,PLAIN ENCASED.
What is the NSN for M-12446-H1L5?
M-12446-H1L5 is cataloged in the U.S. Government catalog under NSN 5330-01-701-7041. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.