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SA1631 — TRANSFORMER,RADIO FREQUENCY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

SA1631: TRANSFORMER,RADIO FREQUENCY.

The TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 2.750 INCHES NOMINAL IN, body_height: 2.000 INCHES NOMINAL IN, body_length: 4.000 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: FLANGE AND SLOT SINGLE GROUP, frequency_rating: 2.0 MEGAHERTZ MINIMUM AND 4.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-221-4648, 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
SA1631
NSN: 5950-00-221-4648
FSC: 5950 — Coils and Transformers
CAGE: 07886 — DAR ELECTRONICS INC COMMERCIAL PRODUCTS DIV DBA NATIONAL RADIO CO (USA)
SPECIFICATIONS
body_width2.750 INCHES NOMINAL IN
body_height2.000 INCHES NOMINAL IN
body_length4.000 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodFLANGE AND SLOT SINGLE GROUP
frequency_rating2.0 MEGAHERTZ MINIMUM AND 4.0 MEGAHERTZ MAXIMUM SINGLE COMPONENT
special_featuresCASE METAL MATERIAL; COIL FORM PHENOLIC PLASTIC MATERIAL; 5 CONTACT TYPE TERMINALS
mounting_slot_width0.125 INCHES NOMINAL SINGLE GROUP IN
mounting_facility_quantity4 SINGLE GROUP
adjustment_device_drive_typeSLOTTED SCREW SINGLE COMPONENT
winding_function_and_quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
adjustment_method_and_quantity1 ADJUSTABLE CAPACITOR SINGLE COMPONENT
NSN5950-00-221-4648
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN SA1631 MFR TRANSFORMER,RADIO FREQ
KEY FEATURES
•
MOUNTING FACILITY QUANTITY: 4 SINGLE GROUP
•
INCLOSURE TYPE: FULLY INCLOSED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
MOUNTING METHOD: FLANGE AND SLOT SINGLE GROUP
•
ADJUSTMENT DEVICE DRIVE TYPE: SLOTTED SCREW SINGLE COMPONENT
•
BODY WIDTH: 2.750 INCHES NOMINAL IN
•
BODY HEIGHT: 2.000 INCHES NOMINAL IN
•
ADJUSTMENT METHOD AND QUANTITY: 1 ADJUSTABLE CAPACITOR SINGLE COMPONENT
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
INCLOSURE TYPEFULLY INCLOSED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.938 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHODFLANGE AND SLOT SINGLE GROUP
ADJUSTMENT DEVICE DRIVE TYPESLOTTED SCREW SINGLE COMPONENT
BODY WIDTH2.750 INCHES NOMINAL IN
BODY HEIGHT2.000 INCHES NOMINAL IN
ADJUSTMENT METHOD AND QUANTITY1 ADJUSTABLE CAPACITOR SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
BODY LENGTH4.000 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5950 — Coils and Transformers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5950-00-000-0146 5950-00-001-1372 5950-00-001-1386 5950-00-001-1410 5950-00-001-1411 5950-00-001-1412 5950-00-001-1413 5950-00-001-1414
SUBSTITUTES & CROSS-REFERENCES 1
1631Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SA1631?
SA1631 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace SA1631?
There is 1 known substitute for SA1631: 1631. Substitute compatibility should be verified for your specific system.
What is the NSN for SA1631?
SA1631 is cataloged in the U.S. Government catalog under NSN 5950-00-221-4648. 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.