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121959 — SWITCH,FLOW

✓ Government record, cited
Hama · MRO · MRO_GENERAL
PRODUCT OVERVIEW

121959: SWITCH,FLOW.

- For connecting electrical devices, ideal for switching off devices in standby mode - Separate on/off switch allows for energy-saving use of the devices - Illuminated switch - With child protection This part is cataloged in the U.S. Government catalog under NSN 5330-00-702-1504, 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
MRO→ MRO_GENERAL→ 121959
NSN: 5330-00-702-1504
NIINs: 007021504, 012822430
FSC: 5330 — Packing and Gasket Materials
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 AND RUBBER SYNTHETIC OVERALL
hole_diameter0.281 INCHES MINIMUM AND 0.288 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
overall_width3.345 INCHES MINIMUM AND 3.405 INCHES MAXIMUM IN
overall_length3.345 INCHES MINIMUM AND 3.405 INCHES MAXIMUM IN
aperture_diameter1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
outside_corner_radius0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
cross-sectional_thickness0.076 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
cross-sectional_shape_styleMETAL AND SYNTHETIC RUBBER
material_document_and_classificationQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
outside_edge_to_bolt_hole_center_distance_along_width0.470 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
NSN5330-00-702-1504
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 121959 MFR: Hama ⚠ 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: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CROSS-SECTIONAL THICKNESS: 0.076 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND SYNTHETIC RUBBER
•
APERTURE DIAMETER: 1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
•
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH: 2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL THICKNESS0.076 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH3.345 INCHES MINIMUM AND 3.405 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND SYNTHETIC RUBBER
OVERALL WIDTH3.345 INCHES MINIMUM AND 3.405 INCHES MAXIMUM IN
APERTURE DIAMETER1.970 INCHES MINIMUM AND 2.030 INCHES MAXIMUM IN
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG LENGTH2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
SURFACE TREATMENTANODIZE OVERALL
CENTER TO CENTER DISTANCE BETWEEN BOLT HOLES ALONG WIDTH2.365 INCHES MINIMUM AND 2.385 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES 1
32-58070-99Same 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 121959?
121959 is a SWITCH,FLOW manufactured by Hama. It is classified as a MRO (MRO_GENERAL).
What parts can replace 121959?
There is 1 known substitute for 121959: 32-58070-99. Substitute compatibility should be verified for your specific system.
What is the NSN for 121959?
121959 is cataloged in the U.S. Government catalog under NSN 5330-00-702-1504. This indicates validated use in U.S. government and defense supply chains.
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