The Connector, cataloged under National Stock Number 3040-00-212-5261, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Skf Usa Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-00-212-5261 |
| Primary Part Number | A6599 |
| Item Name | Connector |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Skf Usa Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,AISI C1018,THD INTERNAL,0.375 IN.-18,NPT,0.500 IN.THD LG,2.875 IN.O/A LG,W/THD INTERNAL HOLE,0.125 IN.-27,NPT,0.375 IN.THD LG,@HEX HEAD,1.125 IN.ACROSS FLATS 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 |
|---|---|
| A6599 PRIMARY | Skf Usa Inc. (USA) |
| A6599PCALL | Skf Usa Inc. (USA) |
| 564-4301-937555PC16 | Naval Sea Systems Command (USA) |
| Z4073PC13 | Skf Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2971-08PC16 | 5/9 Secondary reference U.S. Government activity |
| 564-4301-937555PC16 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-00-212-5261 is a Connector, manufactured by Skf Usa Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-212-5261 has 4 manufacturer part numbers on file: A6599 (Skf Usa Inc.), A6599PCALL (Skf Usa Inc.), 564-4301-937555PC16 (Naval Sea Systems Command), Z4073PC13 (Skf Usa Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1680-00-993-7024. Verify interchangeability with system specifications before substitution.
Key specifications for A6599: General Characteristics Item Description: STEEL,AISI C1018,THD INTERNAL,0.375 IN.-18,NPT,0.500 IN.THD LG,2.875 IN.O/A LG,W/THD INTERNAL HOLE,0.125 IN.-27,NPT,0.375 IN.THD LG,@HEX HEAD,1.125 IN.ACROSS FLATS 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.