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33J25-425 — FERRULE,GROOVED CLAMP COUPLING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

33J25-425: FERRULE,GROOVED CLAMP COUPLING.

The FERRULE,GROOVED CLAMP COUPLING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OVERALL, overall_length: 0.880 INCHES NOMINAL IN, wall_thickness: 0.035 INCHES NOMINAL IN, surface_treatment: PASSIVATE OVERALL, ferrule_inside_diameter: 4.260 INCHES NOMINAL IN, flange_outside_diameter: 4.891 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-173-5517, 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
33J25-425
NSN: 5340-01-173-5517
FSC: 5340 — Hardware, Commercial
CAGE: 72914 — GRIMES AEROSPACE COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 321 OVERALL
overall_length0.880 INCHES NOMINAL IN
wall_thickness0.035 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
ferrule_inside_diameter4.260 INCHES NOMINAL IN
flange_outside_diameter4.891 INCHES NOMINAL IN
cross-sectional_shape_styleFLANGED
material_document_and_classificationAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5340-01-173-5517
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 33J25-425 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: FLANGED
•
WALL THICKNESS: 0.035 INCHES NOMINAL IN
•
FERRULE INSIDE DIAMETER: 4.260 INCHES NOMINAL IN
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL COMP 321 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.880 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEFLANGED
WALL THICKNESS0.035 INCHES NOMINAL IN
FERRULE INSIDE DIAMETER4.260 INCHES NOMINAL IN
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL COMP 321 OVERALL
FLANGE OUTSIDE DIAMETER4.891 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
ST7M270-425CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 33J25-425?
33J25-425 is a FERRULE,GROOVED CLAMP COUPLING.
What parts can replace 33J25-425?
There is 1 known substitute for 33J25-425: ST7M270-425C. Substitute compatibility should be verified for your specific system.
What is the NSN for 33J25-425?
33J25-425 is cataloged in the U.S. Government catalog under NSN 5340-01-173-5517. 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.