The Filter,band Pass, cataloged under National Stock Number 5915-00-951-5203, is classified within Federal Supply Class 5915 (Filters and Networks) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Crystal Sokol Products Inc. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5915-00-951-5203 |
| Primary Part Number | SM-D-447251 |
| Item Name | Filter,band Pass |
| FSC / FSG | 5915 / 59 — Filters and Networks |
| Manufacturer | Crystal Sokol Products Inc |
| Status | ACTIVE |
| Reference Frequency Per Function | 11.5 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Type and Quantity | 2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED |
| Inclosure Type | HERMETICALLY SEALED |
| Functional Terminal Type and Quantity | 2 TAB, SOLDER LUG INPUT FIRST FUNCTION |
| Functional Terminal Type and Quantity | 2 TAB, SOLDER LUG OUTPUT SECOND FUNCTION |
| Functional Terminal Type and Quantity | 2 SOLDER STUD GROUND THIRD FUNCTION |
| Vibration Resistance Range in Hertz | +10.0 TO 55.0 |
| Body Width | 1.750 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR TERMINAL/TERMINALS ON ADJACENT SURFACES |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.112 INCHES IN |
| Body Material | METAL |
| Body Length | 1.750 INCHES NOMINAL IN |
| Input Impedance Per Function W/load | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Discrimination at Specified Frequencies Per Function in Decibels | 60.0 MINIMUM BLANK AND 6.0 MAXIMUM BLANK FIRST FUNCTION |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 1.250 INCHES NOMINAL IN |
| Principal Circuitry Type Per Function | CRYSTAL BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Frequency Band Width Per Function | 11.482 MEGAHERTZ BLANK AND 11.518 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -40.0 TO 65.0 CELSIUS DEGC |
| Insertion Loss at Reference Frequency Per Function in Decibels | 3.2 BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Output Impedance Per Function W/source Across Input | 50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Specified Frequencies of Discrimination Per Function | 11.455 MEGAHERTZ BLANK AND 11.482 MEGAHERTZ BLANK AND 11.518 MEGAHERTZ BLANK AND 11.545 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-D-447251 | Crystal Sokol Products Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-C-447251 | 5/9 Secondary reference U.S. Government activity |
| 300-1042 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5915009515203 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| SM-D-447251 | 5/1 Secondary reference L3 Technologies, Inc. Div Communication Systems-East |
| SM-D-447251 | 3/2 Design control — primary reference U.S. Government activity |
| SM-C-447251 | 5/1 Secondary reference Cts Inc |
NSN 5915-00-951-5203 is a Filter,band Pass, manufactured by Crystal Sokol Products Inc, classified under FSC 5915, Filters and Networks. Status: active.
NSN 5915-00-951-5203 has 1 manufacturer part number on file: SM-D-447251 (Crystal Sokol Products Inc).
Key specifications for SM-D-447251: Reference Frequency Per Function: 11.5 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Type and Quantity: 2 THREADED STUD(S) LOCATION NOT OTHERWISE SPECIFIED; Overall Height: 0.700 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED. 22 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5915-00-951-5203 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.