The Pin,piston, cataloged under National Stock Number 2805-00-536-2790, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2805-00-536-2790 |
| Primary Part Number | 8687103 |
| Item Name | Pin,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Body Style | PLAIN ENDS W/RADIAL SLOT |
| Bore Style | COUNTERBORED |
| Distance From End to Slot Center | 1.391 INCHES NOMINAL IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1016 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1016 ASSN STD SINGLE MATERIAL RESPONSE |
| Groove Depth | 0.0730 INCHES MINIMUM AND 0.0830 INCHES MAXIMUM IN |
| Outside Diameter | 0.81660 INCHES MINIMUM AND 0.81680 INCHES MAXIMUM IN |
| Counterbore Depth | 1.219 INCHES NOMINAL IN |
| Radial Groove Radius | 0.203 INCHES NOMINAL IN |
| Counterbore Diameter | 0.531 INCHES NOMINAL IN |
| Body Length | 2.7810 INCHES NOMINAL IN |
| Casehardening Indicator | CASEHARDENED |
| Bore Diameter | 0.3750 INCHES NOMINAL IN |
| Material | STEEL COMP 1016 |
| Metallic Hardness Rating | 60.0 MINIMUM 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 |
|---|---|
| 8687103 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 741530 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2805-00-536-2790 is a Pin,piston, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-536-2790 has 1 manufacturer part number on file: 8687103 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 8687103: Body Style: PLAIN ENDS W/RADIAL SLOT; Bore Style: COUNTERBORED; Distance From End to Slot Center: 1.391 INCHES NOMINAL IN; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1016 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1016 ASSN STD SINGLE MATERIAL RESPONSE. 14 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.