The Pin,piston, cataloged under National Stock Number 2805-00-270-3487, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-270-3487 |
| Primary Part Number | B245348 |
| 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 |
| Countersink Angle in Deg | 30.0 |
| FSC Application Data | ENGINE,GASOLINE,NONAIRCRAFT |
| Body Style | RADII ENDS |
| Radius | 0.016 INCHES NOMINAL IN |
| Bore Style | INSIDE CHAMFER STRAIGHT-THRU BORE |
| Material Document and Classification | FED STD 66 FED STD ALL MATERIAL RESPONSES OR AISI 1020 ASSN STD 1ST MATERIAL RESPONSE OR SAE 1020 ASSN STD 1ST MATERIAL RESPONSE OR FED STD 66, SAE 5115 FED STD 2ND MATERIAL RESPONSE |
| Outside Diameter | 0.98980 INCHES MINIMUM AND 0.99000 INCHES MAXIMUM IN |
| Body Length | 3.2500 INCHES MINIMUM AND 3.2550 INCHES MAXIMUM IN |
| Casehardening Indicator | CASEHARDENED |
| Bore Diameter | 0.6250 INCHES NOMINAL IN |
| Material | STEEL COMP 1020 OR STEEL COMP 5115 |
| Metallic Hardness Rating | 61.0 MINIMUM ROCKWELL C AND 68.0 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 |
|---|---|
| B245348 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 6107357 | 3/9 Design control — primary reference Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 |
| 6107357 | 5/9 Secondary reference General Motors Corp |
| 6107357 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
NSN 2805-00-270-3487 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 2805-00-270-3487 has 1 manufacturer part number on file: B245348 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for B245348: Countersink Angle in Deg: 30.0; FSC Application Data: ENGINE,GASOLINE,NONAIRCRAFT; Body Style: RADII ENDS; Radius: 0.016 INCHES NOMINAL IN. 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.