The Adapter,cable,breech, cataloged under National Stock Number 4920-00-451-1839, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Williamsrdm, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4920-00-451-1839 |
| Primary Part Number | WI/FW992C8R |
| Item Name | Adapter,cable,breech |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Williamsrdm, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | SIX DETENT BEARINGS 60 DEG SPACING,CRES ARMORED SHEATH,ONE CONNECTOR MS3116F10-6S,18.00 IN. O/A LG,USED ON 12A6617-821 INDICATOR SET IN |
| 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 |
|---|---|
| WI/FW992C8R PRIMARY | Williamsrdm, Inc. (USA) |
| Reference | Meaning |
|---|---|
| C4150-3 | 5/9 Secondary reference U.S. Government activity |
| WIFW992B4R | 5/9 Secondary reference Williamsrdm, Inc. |
| C4150-4 | 7/2 Vendor item drawing reference U.S. Government activity |
| WIFW992C4R | 5/9 Secondary reference Williamsrdm, Inc. |
| WIFW992B8R | 5/9 Secondary reference Williamsrdm, Inc. |
NSN 4920-00-451-1839 is a Adapter,cable,breech, manufactured by Williamsrdm, Inc., classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-451-1839 has 1 manufacturer part number on file: WI/FW992C8R (Williamsrdm, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1020-00-692-4438. Verify interchangeability with system specifications before substitution.
Key specifications for WI/FW992C8R: General Characteristics Item Description: SIX DETENT BEARINGS 60 DEG SPACING,CRES ARMORED SHEATH,ONE CONNECTOR MS3116F10-6S,18.00 IN. O/A LG,USED ON 12A6617-821 INDICATOR SET IN. 1 specification is 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.