The Guide,valve Stem, cataloged under National Stock Number 2810-00-118-9306, 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 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2810-00-118-9306 |
| Primary Part Number | 23402P3 |
| 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 |
| Countersink Angle in Deg | 43.0 AND 47.0 |
| Major Diameter Length | 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN |
| Bb End Shank Diameter | 0.817 INCHES MINIMUM AND 0.818 INCHES MAXIMUM IN |
| Style Designator | PLAIN-SHOULDERED |
| Material Document and Classification | AMS4845 ASSN STD 1ST MATERIAL RESPONSE OR AMS4846 ASSN STD 2ND MATERIAL RESPONSE |
| Bore Counterbore | INCLUDED |
| Outside Diameter | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Countersink Length | 0.021 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN |
| Counterbore Depth | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Counterbore Location | BB END |
| Counterbore Diameter | 0.648 INCHES MINIMUM AND 0.658 INCHES MAXIMUM IN |
| Length From Aa End to Largest Diameter Face | 0.759 INCHES MINIMUM AND 0.803 INCHES MAXIMUM IN |
| Aa End Diameter | 0.796 INCHES MINIMUM AND 0.802 INCHES MAXIMUM IN |
| Bore Diameter | 0.6130 INCHES MINIMUM AND 0.6160 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 905 |
| Metallic Hardness Rating | 85.0 MINIMUM ROCKWELL F |
| Bore Countersink | NOT 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 |
|---|---|
| 23402P3 PRIMARY | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| 23402P003 | Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN) |
| Reference | Meaning |
|---|---|
| AS23402P3 | 5/9 Secondary reference Aircraft Supplies |
| SP23402P003 | 5/9 Secondary reference Superior Air Parts, Inc. |
NSN 2810-00-118-9306 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 2810-00-118-9306 has 2 manufacturer part numbers on file: 23402P3 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 23402P003 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.).
Key specifications for 23402P3: Countersink Angle in Deg: 43.0 AND 47.0; Major Diameter Length: 0.084 INCHES MINIMUM AND 0.104 INCHES MAXIMUM IN; Bb End Shank Diameter: 0.817 INCHES MINIMUM AND 0.818 INCHES MAXIMUM IN; Style Designator: PLAIN-SHOULDERED. 18 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.