The Panel,blank, cataloged under National Stock Number 5975-00-557-4140, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Telemechanics Inc. Government technical data includes 5 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5975-00-557-4140 |
| Primary Part Number | 324678BR |
| Item Name | Panel,blank |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| FSC Application Data | TELETYPE AND FACSIMILE EQUIPMENT |
| Style Designator | BLANK, PLAIN DESIGN |
| Material Thickness | 0.500 INCHES NOMINAL IN |
| Material | STEEL |
| Mounting Provision | UNTHREADED HOLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 324678BR PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 324678BR | 5/9 Secondary reference Teleprinter Corp of America |
| 324678BR | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 324678BR | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| 324678BR | 5/9 Secondary reference American Telephone and Telegraph Co |
| 324678 | 5/9 Secondary reference Teleprinter Corp of America |
NSN 5975-00-557-4140 is a Panel,blank, manufactured by Telemechanics Inc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-557-4140 has 1 manufacturer part number on file: 324678BR (Telemechanics Inc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-228-4112. Verify interchangeability with system specifications before substitution.
Key specifications for 324678BR: Overall Height: 18.250 INCHES NOMINAL IN; FSC Application Data: TELETYPE AND FACSIMILE EQUIPMENT; Style Designator: BLANK, PLAIN DESIGN; Overall Width: 25.064 INCHES NOMINAL IN. 5 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.
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.