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352057 — ADAPTER,CONNECTOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

352057: ADAPTER,CONNECTOR.

The ADAPTER,CONNECTOR is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, thread_class: 3A A, hole_diameter: 0.380 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 4.920 INCHES NOMINAL IN, shell_material: STEEL CORROSION RESISTING, special_features: 90-DEGREE BULKHEAD. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-741-5304, 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
352057
NSN: 5330-00-741-5304
NIINs: 007415304, 015175869, 015754769
FSC: 5330 — Packing and Gasket Materials
CAGE: 63728 — SEALCRAFT CORPORATION (USA)
SPECIFICATIONS
materialASBESTOS AND RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
thread_class3A A
hole_diameter0.380 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width4.920 INCHES NOMINAL IN
shell_materialSTEEL CORROSION RESISTING
special_features90-DEGREE BULKHEAD
style_designatorNON-CIRCULAR
thread_directionRIGHT-HAND
aperture_diameter3.060 INCHES NOMINAL IN
bolt_hole_quantity2
mating_end_quantity2
nominal_thread_size0.312 INCHES IN
NSN5330-00-741-5304
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 352057 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
•
CROSS-SECTIONAL THICKNESS: 0.031 INCHES NOMINAL IN
•
SIDE RADIUS FROM GASKET CENTER: 1.780 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 3.060 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.031 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER1.780 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-12803,+1141-A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH4.920 INCHES NOMINAL IN
APERTURE DIAMETER3.060 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER4.180 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.370 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
7415304Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 352057?
352057 is a ADAPTER,CONNECTOR.
What parts can replace 352057?
There is 1 known substitute for 352057: 7415304. Substitute compatibility should be verified for your specific system.
What is the NSN for 352057?
352057 is cataloged in the U.S. Government catalog under NSN 5330-00-741-5304. 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.