The Adapter,electrical Conduit, cataloged under National Stock Number 5975-01-503-7877, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-503-7877 |
| Primary Part Number | S4351-037 |
| Item Name | Adapter,electrical Conduit |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc |
| Status | ACTIVE |
| Item Accommodated Trade Size | 1.531 INCHES FIRST END IN |
| Item Accommodated Trade Size | 1.440 INCHES SECOND END IN |
| Style Designator | THREAD TO THREAD ENLARGER |
| Outside Diameter | 1.531 INCHES NOMINAL FIRST END IN |
| Outside Diameter | 1.440 INCHES NOMINAL SECOND END IN |
| Conduit Type Accommodated | FLEXIBLE METALLIC FIRST END |
| Conduit Type Accommodated | FLEXIBLE METALLIC SECOND END |
| Material | ALUMINUM ALLOY |
| End Type | EXTERNAL THREAD FIRST END |
| End Type | INTERNAL THREAD SECOND END |
| 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 |
|---|---|
| S4351-037 PRIMARY | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc (USA) |
| 420BS007NF2003-6A PRIMARY | Glenair, Inc. (USA) |
| Reference | Meaning |
|---|---|
| A3193063 | D/9 Drawing number reference only U.S. Government activity |
| A3193063-037 | 5/2 Secondary reference U.S. Government activity |
NSN 5975-01-503-7877 is a Adapter,electrical Conduit, manufactured by Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-503-7877 has 2 manufacturer part numbers on file: S4351-037 (Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc), 420BS007NF2003-6A (Glenair, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5975-01-503-7887, 5975-01-503-7891. Verify interchangeability with system specifications before substitution.
Key specifications for S4351-037: Item Accommodated Trade Size: 1.531 INCHES FIRST END IN; Item Accommodated Trade Size: 1.440 INCHES SECOND END IN; Style Designator: THREAD TO THREAD ENLARGER; Overall Length: 3.750 INCHES NOMINAL IN. 10 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.