The Lock,valve Spring Retainer, cataloged under National Stock Number 2805-00-351-2444, 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 13 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 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 | 2805-00-351-2444 |
| Primary Part Number | 93630 |
| Item Name | Lock,valve Spring Retainer |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Briggs and Stratton Corp |
| Status | ACTIVE |
| Minimum Inside Diameter | 0.306 INCHES IN |
| Second Groove Width | 0.028 INCHES NOMINAL IN |
| Thread Provision | UNTHREADED |
| Largest Outside Diameter | 0.445 INCHES NOMINAL IN |
| Distance Between First and Second Groove Centers | 0.086 INCHES NOMINAL IN |
| Largest Inside Diameter | 0.293 INCHES NOMINAL IN |
| Style Designator | STRAIGHT BORE W/TWO GROOVES |
| Distance From Bottom to First Groove Center | 0.119 INCHES NOMINAL IN |
| Largest Outside Width | 0.456 INCHES NOMINAL IN |
| Outside Included Angle in Deg | 12.0 |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL |
| First Groove Width | 0.028 INCHES NOMINAL IN |
| 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 |
|---|---|
| 93630 PRIMARY | Briggs and Stratton Corp (USA) |
NSN 2805-00-351-2444 is a Lock,valve Spring Retainer, manufactured by Briggs and Stratton Corp, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-351-2444 has 1 manufacturer part number on file: 93630 (Briggs and Stratton Corp).
3 possible matches (shared part number, not a government interchangeability claim): 5306-00-514-5898, 2915-00-620-7789, 5962-01-208-2359. Verify interchangeability with system specifications before substitution.
Key specifications for 93630: Overall Height: 0.384 INCHES NOMINAL IN; Minimum Inside Diameter: 0.306 INCHES IN; Second Groove Width: 0.028 INCHES NOMINAL IN; Thread Provision: UNTHREADED. 13 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.