The Pin,piston, cataloged under National Stock Number 2805-00-277-4292, 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 Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-277-4292 |
| Primary Part Number | 318878 |
| Item Name | Pin,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Body Style | CHAMFERED ENDS |
| Bore Style | STRAIGHT-THRU BORE |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Diameter | 1.37450 INCHES MINIMUM AND 1.37475 INCHES MAXIMUM IN |
| End Chamfer Angle in Deg | 45.0 |
| Body Length | 4.9320 INCHES MINIMUM AND 4.9420 INCHES MAXIMUM IN |
| Casehardening Indicator | CASEHARDENED |
| Bore Diameter | 0.8110 INCHES MINIMUM AND 0.8170 INCHES MAXIMUM IN |
| Material | STEEL COMP 1020 |
| 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 |
|---|---|
| 6318878 | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| 318878 PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 6318878 | 5/9 Secondary reference Hercules Engine Co Inc |
| 318878 | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2805-00-277-4292 is a Pin,piston, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-277-4292 has 2 manufacturer part numbers on file: 6318878 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 318878 (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 318878: Body Style: CHAMFERED ENDS; Bore Style: STRAIGHT-THRU BORE; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1020 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1020 ASSN STD SINGLE MATERIAL RESPONSE; Outside Diameter: 1.37450 INCHES MINIMUM AND 1.37475 INCHES MAXIMUM IN. 9 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.