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BA8761 — PACKING WITH RETAINER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

BA8761: PACKING WITH RETAINER.

The PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include material: RUBBER FLUOROSILICONE CLASS FQ PACKING, temp_rating: -65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF, construction: TWO-PIECE, surface_treatment: CHROMATE OVERALL, retainer_thickness: 0.020 INCHES NOMINAL IN, packing_inside_diameter: 3.480 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-212-0126, 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
BA8761
NSN: 5330-01-212-0126
FSC: 5330 — Packing and Gasket Materials
CAGE: SW461 — HUTCHINSON SEAL DE MEXICO STILLMAN SEAL DIVISION DIV STILLMAN SEAL,JPR,ESPA (MEX)
SPECIFICATIONS
materialRUBBER FLUOROSILICONE CLASS FQ PACKING
temp_rating-65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
constructionTWO-PIECE
surface_treatmentCHROMATE OVERALL
retainer_thickness0.020 INCHES NOMINAL IN
packing_inside_diameter3.480 INCHES NOMINAL IN
material_document_and_classificationMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE PACKING
surface_treatment_document_and_classificationMIL-C-5541 CL 3 MIL SPEC 1ST TREATMENT RESPONSE RETAINER
NSN5330-01-212-0126
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: BA8761 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 350.0 FAHRENHEIT DEGF
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-5541 CL 3 MIL SPEC 1ST TREATMENT RESPONSE RETAINER
•
PACKING INSIDE DIAMETER: 3.480 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE PACKING
•
RETAINER THICKNESS: 0.020 INCHES NOMINAL IN
•
SURFACE TREATMENT: CHROMATE OVERALL
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ PACKING
TECHNICAL CHARACTERISTICS
TEMP RATING-65.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-5541 CL 3 MIL SPEC 1ST TREATMENT RESPONSE RETAINER
PACKING INSIDE DIAMETER3.480 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988 MIL SPEC SINGLE MATERIAL RESPONSE PACKING
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 ALLOY 6061-T6 FED SPEC 1ST MATERIAL RESPONSE OR AMS 4023 ALLOY 6061-T6 FED SPEC 2ND MATERIAL RESPONSE RETAINER
RETAINER THICKNESS0.020 INCHES NOMINAL IN
SURFACE TREATMENTCHROMATE OVERALL
MATERIALRUBBER FLUOROSILICONE CLASS FQ PACKING
MATERIALALUMINUM ALLOY 6061 OR ALUMINUM ALLOY RETAINER
CONSTRUCTIONTWO-PIECE
SUBSTITUTES & CROSS-REFERENCES 6
C407-19Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
5330PL0672621Reference document
Same NSN cross-reference
Reference document — Informative reference only
A-7188Reference document
Same NSN cross-reference
Reference document — Secondary reference
5330PL1740487Reference document
Same NSN cross-reference
Reference document — Informative reference only
41020-19Reference document
Same NSN cross-reference
Reference document — Secondary reference
798100Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BA8761?
BA8761 is a PACKING WITH RETAINER.
What parts can replace BA8761?
There are 6 known substitutes for BA8761: C407-19, 5330PL0672621, A-7188 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BA8761?
BA8761 is cataloged in the U.S. Government catalog under NSN 5330-01-212-0126. This indicates validated use in U.S. government and defense supply chains.
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