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Technical Data Sheet
PartsTable / MRO / 12379
12379 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The SLEEVE,ADJUSTING,VALVE is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT, case_style: RECESSED, face_width: 1.250 INCHES NOMINAL IN, seal_width: 0.250 INCHES NOMINAL IN, overall_length: 1.750 INCHES NOMINAL IN, outside_diameter: 4.938 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-255-5304, 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
MRO→ MRO_GENERAL→ 12379
NSN: 5330-00-255-5304
FSC: 5330
CAGE: 81795 — ALLIANZ SWEEPER COMPANY (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT
case_styleRECESSED
face_width1.250 INCHES NOMINAL IN
seal_width0.250 INCHES NOMINAL IN
overall_length1.750 INCHES NOMINAL IN
outside_diameter4.938 INCHES NOMINAL IN
style_designatorWEBBED OR SPOKED
surface_treatmentPRIMER ZINC CASE
housing_bore_diameter1.875 INCHES NOMINAL IN
sealing_element_styleANGULAR
end_item_identificationCL-215 FIRE FIGHTER AIRCRAFT
accommodated_shaft_diameter1.250 INCHES NOMINAL IN
NSN5330-00-255-5304
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12379 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
212348Interchangeable
interchangeable cross-reference
interchangeable
23753Interchangeable
interchangeable cross-reference
interchangeable
77819HInterchangeable
interchangeable cross-reference
interchangeable
187HD18Interchangeable
interchangeable cross-reference
interchangeable
619D931 PIECE 13Interchangeable
interchangeable cross-reference
interchangeable
12389Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12379?
12379 is a SLEEVE,ADJUSTING,VALVE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 12379?
There are 12 known substitutes for 12379: 212348, 23753, 77819H and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12379?
12379 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-255-5304. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026