The Housing,mechanical Drive, cataloged under National Stock Number 3040-01-313-6794, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Staples & Pfeiffer, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-313-6794 |
| Primary Part Number | 1540-13 8IN 123YF |
| Item Name | Housing,mechanical Drive |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Staples & Pfeiffer, Inc. |
| Status | ACTIVE |
| Material Document and Classification | QQ-C-390 ALLOY 922 FED SPEC SINGLE MATERIAL RESPONSE |
| 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 |
|---|---|
| 1540-13 8IN 123YF PRIMARY | Staples & Pfeiffer, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1540 | D/9 Drawing number reference only Staples & Pfeiffer, Inc. |
| 1540-13 | 5/9 Secondary reference Staples & Pfeiffer, Inc. |
NSN 3040-01-313-6794 is a Housing,mechanical Drive, manufactured by Staples & Pfeiffer, Inc., classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-313-6794 has 1 manufacturer part number on file: 1540-13 8IN 123YF (Staples & Pfeiffer, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-585-3327, 2090-01-623-6451. Verify interchangeability with system specifications before substitution.
Key specifications for 1540-13 8IN 123YF: Material Document and Classification: QQ-C-390 ALLOY 922 FED SPEC SINGLE MATERIAL RESPONSE; Special Features: BRONZE; End Item Identification: FORRESTAL CLASS CV. 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.