The Contact Strip,radio Frequency Gr, cataloged under National Stock Number 5940-01-111-2031, is classified within Federal Supply Class 5940 (Lugs, Terminals, and Terminal Strips) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5940-01-111-2031 |
| Primary Part Number | ST4M147-4B |
| Item Name | Contact Strip,radio Frequency Gr |
| FSC / FSG | 5940 / 59 — Lugs, Terminals, and Terminal Strips |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-T-10727, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE |
| Overall Diameter | 0.265 INCHES NOMINAL IN |
| Contact Finger Quantity | 4 |
| Overall Thickness | 0.012 INCHES NOMINAL IN |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE |
| Unit Type | RING |
| Surface Treatment | TIN |
| Material | COPPER ALLOY 170 OR COPPER ALLOY 172 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST4M147-4B | Tech-Etch, Inc. Dba Tech-Etch Inc (USA) |
| 869-30 | Laird Technologies, Inc Dba Laird Technologies (USA) |
| NGS875AA-02 | Northrop Grumman Systems Corp Integrated Systems Sector (USA) |
| 0869003000 | Laird Technologies, Inc Dba Laird Technologies (USA) |
| ST4M147-4B PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ST4M147-4B | 3/1 Design control — primary reference Laird Technologies, Inc Dba Laird Technologies |
| 10132330 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 869-D-0300 | 5/9 Secondary reference Laird Technologies, Inc Dba Laird Technologies |
| 7102801 | D/9 Drawing number reference only U.S. Government activity |
| 0869-D-0030 | 5/9 Secondary reference Laird Technologies, Inc Dba Laird Technologies |
NSN 5940-01-111-2031 is a Contact Strip,radio Frequency Gr, manufactured by The Boeing Company Div Defense, classified under FSC 5940, Lugs, Terminals, and Terminal Strips. Status: active.
NSN 5940-01-111-2031 has 5 manufacturer part numbers on file: ST4M147-4B (Tech-Etch, Inc. Dba Tech-Etch Inc), 869-30 (Laird Technologies, Inc Dba Laird Technologies), NGS875AA-02 (Northrop Grumman Systems Corp Integrated Systems Sector), 0869003000 (Laird Technologies, Inc Dba Laird Technologies), ST4M147-4B (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 6130-01-303-5114. Verify interchangeability with system specifications before substitution.
Key specifications for ST4M147-4B: Surface Treatment Document and Classification: MIL-T-10727, TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE; Overall Diameter: 0.265 INCHES NOMINAL IN; Contact Finger Quantity: 4; Overall Thickness: 0.012 INCHES NOMINAL IN. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.