The Extension Shaft, cataloged under National Stock Number 3040-01-150-6993, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Paragon Plastic Products Inc. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-150-6993 |
| Primary Part Number | 3687977 |
| Item Name | Extension Shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Paragon Plastic Products Inc |
| Status | ACTIVE |
| Socket Diameter | 0.162 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN |
| Length | 0.640 INCHES NOMINAL IN |
| Socket Depth | 0.520 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN |
| Style Designator | PLAIN SOCKET |
| Outside Diameter | 0.460 INCHES NOMINAL IN |
| Shaft End Design | FEMALE |
| Shaft End Diameter | 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Material | PLASTIC POLYAMIDE NYLON |
| Shoulder Length | 0.100 INCHES NOMINAL IN |
| End Type | PROCESSED END |
| Shaft End Configuration | ROUND |
| 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 |
|---|---|
| 3687977 | Paragon Plastic Products Inc (USA) |
| 3687977 | Roncelli Plastics Inc Dba Roncelli Plastics Inc (USA) |
| Reference | Meaning |
|---|---|
| 10117848 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 3687977 | 5/9 Secondary reference Center for Acquisition Management |
| 3687977 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-150-6993 is a Extension Shaft, manufactured by Paragon Plastic Products Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-150-6993 has 2 manufacturer part numbers on file: 3687977 (Paragon Plastic Products Inc), 3687977 (Roncelli Plastics Inc Dba Roncelli Plastics Inc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-687-2589. Verify interchangeability with system specifications before substitution.
Key specifications for 3687977: Socket Diameter: 0.162 INCHES MINIMUM AND 0.166 INCHES MAXIMUM IN; Length: 0.640 INCHES NOMINAL IN; Socket Depth: 0.520 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN; Style Designator: PLAIN SOCKET. 11 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.