The Pin,piston, cataloged under National Stock Number 2805-00-383-4100, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-383-4100 |
| Primary Part Number | 47643DB |
| Item Name | Pin,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Countersink Angle in Deg | 45.0 |
| FSC Application Data | ENGINE,GASOLINE,NONAIRCRAFT |
| Body Style | CHAMFERED ENDS |
| Bore Style | INSIDE CHAMFER STRAIGHT-THRU BORE |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1019 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1019 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.50000 INCHES MINIMUM AND 1.50002 INCHES MAXIMUM IN |
| End Chamfer Angle in Deg | 45.0 |
| Body Length | 3.6980 INCHES MINIMUM AND 3.7030 INCHES MAXIMUM IN |
| Casehardening Indicator | CASEHARDENED |
| Bore Diameter | 0.9580 INCHES MINIMUM AND 0.9680 INCHES MAXIMUM IN |
| Material | STEEL COMP 1019 |
| Metallic Hardness Rating | 60.0 MINIMUM ROCKWELL C AND 66.0 MAXIMUM ROCKWELL C |
| 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 |
|---|---|
| 47643DB | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 264045R1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 47643DB | 3/9 Design control — primary reference Komatsu American Intl Co |
| 254957R2 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 47643DA | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 47643DB | 5/9 Secondary reference U.S. Government activity |
NSN 2805-00-383-4100 is a Pin,piston, manufactured by Komatsu America Corp., classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-383-4100 has 1 manufacturer part number on file: 47643DB (Komatsu America Corp.).
Key specifications for 47643DB: Countersink Angle in Deg: 45.0; FSC Application Data: ENGINE,GASOLINE,NONAIRCRAFT; Body Style: CHAMFERED ENDS; Bore Style: INSIDE CHAMFER STRAIGHT-THRU BORE. 12 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.