The Bell Crank, cataloged under National Stock Number 3040-01-261-2630, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-261-2630 |
| Primary Part Number | 1645130 |
| Item Name | Bell Crank |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc |
| Status | ACTIVE |
| Bore Length | 6.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC |
| Bore Diameter | 6.5 MILLIMETERS MINIMUM AND 6.6 MILLIMETERS MAXIMUM MM |
| Material | STEEL |
| 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 |
|---|---|
| 1645130 | Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| A3013609-1 | 3/2 Design control — primary reference U.S. Government activity |
| A3013609 | D/9 Drawing number reference only U.S. Government activity |
NSN 3040-01-261-2630 is a Bell Crank, manufactured by Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-261-2630 has 1 manufacturer part number on file: 1645130 (Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-578-0818. Verify interchangeability with system specifications before substitution.
Key specifications for 1645130: Bore Length: 6.0 MILLIMETERS NOMINAL MM; Surface Treatment: ZINC; Bore Diameter: 6.5 MILLIMETERS MINIMUM AND 6.6 MILLIMETERS MAXIMUM MM; Material: STEEL. 4 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.