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37B12 — RETAINER,ELECTRON TUBE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

37B12: RETAINER,ELECTRON TUBE.

The RETAINER,ELECTRON TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 170, overall_height: 1.750 INCHES NOMINAL IN, inside_diameter: 1.525 INCHES NOMINAL IN, style_designator: SINGLE FOOT, CLIP LOCKED, TENSION CLAMP, features_provided: HOLDING SPUR, mounting_slot_width: 0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. This part is cataloged in the U.S.

Government catalog under NSN 5960-00-280-3187, 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
37B12
NSN: 5960-00-280-3187
FSC: 5960 — Electron Tubes and Associated Hardware
CAGE: 15196 — A R F PRODUCTS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 170
overall_height1.750 INCHES NOMINAL IN
inside_diameter1.525 INCHES NOMINAL IN
style_designatorSINGLE FOOT, CLIP LOCKED, TENSION CLAMP
features_providedHOLDING SPUR
mounting_slot_width0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_slot_length0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
mounting_facility_type_and_quantity1 SLOT SINGLE MOUNTING FACILITY
material_document_and_classificationQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
accommodated_item_securing_device_typeCLAMP
electron_tube_base_accommodated_diameter+1.337 TO 1.377 INCHES IN
distance_from_retainer_center_to_end_of_extended_clip1.688 INCHES NOMINAL IN
NSN5960-00-280-3187
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RETAINER,ELECTRON TUBE TITLE COMPONENT PN 37B12 MFR RETAINER,ELECTRON TUBE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 1 SLOT SINGLE MOUNTING FACILITY
•
DISTANCE FROM RETAINER CENTER TO CENTERLINE OF MOUNTING FACILITY: 1.000 INCHES NOMINAL IN
•
MOUNTING SLOT LENGTH: 0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
•
ANGLE BETWEEN MOUNTING FACILITY AND TENSION LOOP CENTERLINES IN DEG: 65.0
•
STYLE DESIGNATOR: SINGLE FOOT, CLIP LOCKED, TENSION CLAMP
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
•
ACCOMMODATED ITEM SECURING DEVICE TYPE: CLAMP
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY1 SLOT SINGLE MOUNTING FACILITY
OVERALL HEIGHT1.750 INCHES NOMINAL IN
DISTANCE FROM RETAINER CENTER TO CENTERLINE OF MOUNTING FACILITY1.000 INCHES NOMINAL IN
MOUNTING SLOT LENGTH0.312 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
ANGLE BETWEEN MOUNTING FACILITY AND TENSION LOOP CENTERLINES IN DEG65.0
STYLE DESIGNATORSINGLE FOOT, CLIP LOCKED, TENSION CLAMP
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE
ACCOMMODATED ITEM SECURING DEVICE TYPECLAMP
DISTANCE FROM RETAINER CENTER TO END OF EXTENDED CLIP1.688 INCHES NOMINAL IN
FEATURES PROVIDEDHOLDING SPUR
OTHER ITEMS IN FSC 5960 — Electron Tubes and Associated Hardware
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5960-00-001-1620 5960-00-001-1632 5960-00-001-2995 5960-00-001-2997 5960-00-001-3039 5960-00-001-3099 5960-00-001-4686 5960-00-001-7279
SUBSTITUTES & CROSS-REFERENCES 3
SMB192457Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
342A447Reference document
Same NSN cross-reference
Reference document — Secondary reference
342B447Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 37B12?
37B12 is a RETAINER,ELECTRON TUBE.
What parts can replace 37B12?
There are 3 known substitutes for 37B12: SMB192457, 342A447, 342B447. Substitute compatibility should be verified for your specific system.
What is the NSN for 37B12?
37B12 is cataloged in the U.S. Government catalog under NSN 5960-00-280-3187. 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.