The Lock,valve Spring Retainer, cataloged under National Stock Number 2815-00-388-7694, is classified within Federal Supply Class 2815 (Diesel Engines 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-388-7694 |
| Primary Part Number | 83083A |
| Item Name | Lock,valve Spring Retainer |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| First Ridge Radius | 0.010 INCHES MAXIMUM IN |
| Minimum Inside Diameter | 0.376 INCHES IN |
| Thread Provision | UNTHREADED |
| Distance From Bottom to First Ridge Center | 0.250 INCHES NOMINAL IN |
| Largest Outside Diameter | 0.650 INCHES MINIMUM AND 0.654 INCHES MAXIMUM IN |
| First Ridge Width | 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN |
| Largest Inside Diameter | 0.430 INCHES MINIMUM AND 0.434 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT BORE W/RIDGE AND TWO GROOVES-LOWER OUTSIDE RADIUS |
| Material Document and Classification | SAE 1010 ASSN STD SINGLE MATERIAL RESPONSE |
| Outside Included Angle in Deg | 14.2 |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL COMP 1010 |
| 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 |
|---|---|
| 83083A PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 83083A | 5/9 Secondary reference Hercules Engine Co Inc |
NSN 2815-00-388-7694 is a Lock,valve Spring Retainer, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815, Diesel Engines and Components. Status: active.
NSN 2815-00-388-7694 has 1 manufacturer part number on file: 83083A (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 83083A: Overall Height: 0.495 INCHES MINIMUM AND 0.505 INCHES MAXIMUM IN; First Ridge Radius: 0.010 INCHES MAXIMUM IN; Minimum Inside Diameter: 0.376 INCHES IN; Thread Provision: UNTHREADED. 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.