The Valve,poppet,engine, cataloged under National Stock Number 2805-00-424-3416, 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 Briggs and Stratton Corp. 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. 2 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 | 2805-00-424-3416 |
| Primary Part Number | 63277 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Briggs and Stratton Corp |
| Status | ACTIVE |
| Stem Diameter | 0.3103 INCHES NOMINAL IN |
| FSC Application Data | GASOLINE ENGINE |
| Head Height | 0.0625 INCHES NOMINAL IN |
| Stem Length | 1.7980 INCHES NOMINAL IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0312 INCHES NOMINAL IN |
| Neck Radius | 0.0312 INCHES NOMINAL IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OR AISI 1010 ASSN STD SINGLE MATERIAL RESPONSE OR SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.8750 INCHES NOMINAL IN |
| Stem Style | PLAIN |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Material | STEEL COMP 1010 OVERALL |
| 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 |
|---|---|
| 63277 PRIMARY | Briggs and Stratton Corp (USA) |
NSN 2805-00-424-3416 is a Valve,poppet,engine, manufactured by Briggs and Stratton Corp, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-424-3416 has 1 manufacturer part number on file: 63277 (Briggs and Stratton Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5950-00-472-2642, 5330-01-172-7981. Verify interchangeability with system specifications before substitution.
Key specifications for 63277: Stem Diameter: 0.3103 INCHES NOMINAL IN; FSC Application Data: GASOLINE ENGINE; Head Height: 0.0625 INCHES NOMINAL IN; Stem Length: 1.7980 INCHES NOMINAL IN. 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.