The Collar,shaft, cataloged under National Stock Number 3040-01-413-8878, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Am General Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-413-8878 |
| Primary Part Number | RCSK14771-2 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Am General Llc |
| Status | ACTIVE |
| Securing Hole Type and Location | THREADED SINGLE HOLE |
| Style Designator | PLAIN ROUND |
| Outside Diameter | 0.3100 INCHES NOMINAL IN |
| Securing Hole Quantity | 1 |
| Bore Diameter | 0.1100 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Thickness | 0.3100 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 |
|---|---|
| RCSK14771-2 PRIMARY | Am General Llc (USA) |
| RCSK14771-2 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 30639-1 | Orscheln Products L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| 30637 | D/9 Drawing number reference only Orscheln Products L.l.c. |
| RCSK14771 | 7/1 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 3040-01-413-8878 is a Collar,shaft, manufactured by Am General Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-413-8878 has 3 manufacturer part numbers on file: RCSK14771-2 (Am General Llc), RCSK14771-2 (U S Army Tank Automotive Command Amsta-Im-Mm), 30639-1 (Orscheln Products L.l.c.).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-413-9551, 5310-01-433-6287, 1005-01-584-5408. Verify interchangeability with system specifications before substitution.
Key specifications for RCSK14771-2: Securing Hole Type and Location: THREADED SINGLE HOLE; Style Designator: PLAIN ROUND; Outside Diameter: 0.3100 INCHES NOMINAL IN; Securing Hole Quantity: 1. 7 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.