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S331G20 — CLAMP,LOOP

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

S331G20: CLAMP,LOOP.

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.406 INCHES NOMINAL IN, material: RUBBER SYNTHETIC CUSHION, overall_width: 0.625 INCHES NOMINAL IN, special_features: USED ON EAA NSN2550-00-808-7100, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-216-8653, 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
S331G20
NSN: 5340-01-216-8653
FSC: 5340 — Hardware, Commercial
CAGE: 18076 — UMPCO, INC. DBA UMPCO INC (USA)
SPECIFICATIONS
diameter0.406 INCHES NOMINAL IN
materialRUBBER SYNTHETIC CUSHION
overall_width0.625 INCHES NOMINAL IN
special_featuresUSED ON EAA NSN2550-00-808-7100
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCADMIUM BAND
material_thickness0.051 INCHES NOMINAL IN
loop_inside_diameter1.250 INCHES NOMINAL IN
distance_from_loop_center_to_tongue_end1.471 INCHES NOMINAL IN
surface_treatment_document_and_classificationQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE BAND
center_to_center_distance_between_loop_and_mounting_hole1.159 INCHES NOMINAL IN
NSN5340-01-216-8653
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: S331G20 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-416 FED SPEC SINGLE TREATMENT RESPONSE BAND
•
STYLE DESIGNATOR: SINGLE LOOP
•
DIAMETER: 0.406 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.051 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.471 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM BAND
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE BAND
STYLE DESIGNATORSINGLE LOOP
DIAMETER0.406 INCHES NOMINAL IN
OVERALL WIDTH0.625 INCHES NOMINAL IN
MATERIAL THICKNESS0.051 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END1.471 INCHES NOMINAL IN
SPECIAL FEATURESUSED ON EAA NSN2550-00-808-7100
SURFACE TREATMENTCADMIUM BAND
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE1.159 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
13214E2575-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S331G20?
S331G20 is a CLAMP,LOOP.
What parts can replace S331G20?
There is 1 known substitute for S331G20: 13214E2575-4. Substitute compatibility should be verified for your specific system.
What is the NSN for S331G20?
S331G20 is cataloged in the U.S. Government catalog under NSN 5340-01-216-8653. This indicates validated use in U.S. government and defense supply chains.
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