The Collar,shaft, cataloged under National Stock Number 3040-01-537-9981, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-537-9981 |
| Primary Part Number | 7383856-16 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Securing Hole Type and Location | UNTHREADED-COUNTERSUNK ALL HOLES |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Bore Diameter | 1.5000 INCHES NOMINAL IN |
| Material | PLASTIC |
| Thickness | 0.750 INCHES NOMINAL 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 |
|---|---|
| 7383856-16 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| H692-1632-16 | 5/2 Secondary reference U.S. Government activity |
NSN 3040-01-537-9981 is a Collar,shaft, manufactured by Naval Sea Systems Command, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-537-9981 has 1 manufacturer part number on file: 7383856-16 (Naval Sea Systems Command).
Key specifications for 7383856-16: Securing Hole Type and Location: UNTHREADED-COUNTERSUNK ALL HOLES; Style Designator: PLAIN ROUND; Outside Diameter: 2.500 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: COLLAR, RETAINING, REMOTE OPERATOR. 6 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.