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PartsTable / COMPONENT / 121157
121157 ✓ 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

FILTER ELEMENT,AIR CONDITIONING. Key specifications include material: ALUMINUM FILTERING MEDIUM, design_type: REUSABLE, overall_width: 4.000 INCHES MINIMUM AND 4.060 INCHES MAXIMUM IN, body_thickness: 0.500 INCHES NOMINAL IN, special_features: SHAPE FORMS 68 DEG SEGMENT OF CIRCLE ON 9.59 IN. RADIUS AIR FLOWSIDE IN, style_designator: RECTANGULAR (INCL SQUARE).

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-447-6105, 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
121157
NSN: 5330-00-447-6105
FSC: 5330
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialALUMINUM FILTERING MEDIUM
design_typeREUSABLE
overall_width4.000 INCHES MINIMUM AND 4.060 INCHES MAXIMUM IN
body_thickness0.500 INCHES NOMINAL IN
special_featuresSHAPE FORMS 68 DEG SEGMENT OF CIRCLE ON 9.59 IN. RADIUS AIR FLOWSIDE IN
style_designatorRECTANGULAR (INCL SQUARE)
body_overall_length10.700 INCHES NOMINAL IN
filtering_media_designMESH SINGLE FILTERING MEDIA RESPONSE
NSN5330-00-447-6105
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 121157 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
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4768Interchangeable
interchangeable cross-reference
interchangeable
52-0152-03Interchangeable
interchangeable cross-reference
interchangeable
9004803Interchangeable
interchangeable cross-reference
interchangeable
121157Interchangeable
interchangeable cross-reference
interchangeable
AA55543-P2AT1Interchangeable
interchangeable cross-reference
interchangeable
GGG-G-770Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121157?
121157 is a FILTER ELEMENT,AIR CONDITIONING.
What parts can replace 121157?
There are 10 known substitutes for 121157: 4768, 52-0152-03, 9004803 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 121157?
121157 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-447-6105. 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