The Guide,valve Stem, cataloged under National Stock Number 2810-00-306-6392, is classified within Federal Supply Class 2810 (Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2810-00-306-6392 |
| Primary Part Number | 1050P10 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2810 / 28 — Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components |
| Manufacturer | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| Status | ACTIVE |
| FSC Application Data | ENGINE,ACFT,RECIPROCATING |
| Major Diameter Length | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Bb End Shank Diameter | 0.636 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN |
| Taper Minor Diameter | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Style Designator | STEPPED SHOULDER-TAPERED SHANK END |
| Material Document and Classification | AMS 4846 ASSN STD 1ST MATERIAL RESPONSE |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Countersink Length | 0.031 INCHES NOMINAL IN |
| Shoulder Diameter | 0.733 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Taper Length | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Length From Aa End to Largest Diameter Face | 0.864 INCHES MINIMUM AND 0.884 INCHES MAXIMUM IN |
| Aa End Diameter | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Bore Diameter | 0.4275 INCHES MINIMUM AND 0.4305 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 905 |
| Shoulder Length | 0.062 INCHES NOMINAL IN |
| Metallic Hardness Rating | 85.0 MINIMUM ROCKWELL F |
| Bore Countersink | INCLUDED |
| Countersink Location | AA END |
| 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 |
|---|---|
| 1050P10 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| 1050P010 | 5/9 Secondary reference Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. |
| SP1050P010 | 5/9 Secondary reference Superior Air Parts, Inc. |
NSN 2810-00-306-6392 is a Guide,valve Stem, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 2810, Gasoline Reciprocating Engines, Aircraft Prime Mover; and Components. Status: active.
NSN 2810-00-306-6392 has 1 manufacturer part number on file: 1050P10 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for 1050P10: FSC Application Data: ENGINE,ACFT,RECIPROCATING; Major Diameter Length: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN; Bb End Shank Diameter: 0.636 INCHES MINIMUM AND 0.637 INCHES MAXIMUM IN; Taper Minor Diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN. 19 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.