The Guide,valve Stem, cataloged under National Stock Number 2805-00-753-9846, 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 Renk America Llc Div Renk America. Government technical data includes 26 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-753-9846 |
| Primary Part Number | 515690Y2 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Shoulder Second Fillet Radius | 0.030 INCHES NOMINAL IN |
| Countersink Angle in Deg | 90.0 |
| FSC Application Data | ENGINE,GASOLINE,NON-AIRCRAFT |
| Aa End Chamfer Angle in Deg | 45.0 |
| Countersink Diameter | 0.560 INCHES NOMINAL IN |
| Aa End Chamfer Length | 0.030 INCHES NOMINAL IN |
| Major Diameter Length | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Bb End Shank Diameter | 0.699 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN |
| Taper Minor Diameter | 0.695 INCHES NOMINAL IN |
| Style Designator | STEPPED SHOULDER-TAPERED SHANK END |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 1.120 INCHES NOMINAL IN |
| Shoulder Diameter | 0.778 INCHES MINIMUM AND 0.784 INCHES MAXIMUM IN |
| Fillet Step Radius | 0.060 INCHES NOMINAL IN |
| Bb End Chamfer Length | 0.030 INCHES NOMINAL IN |
| Taper Length | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Length From Aa End to Largest Diameter Face | 1.302 INCHES MINIMUM AND 1.308 INCHES MAXIMUM IN |
| Aa End Diameter | 0.745 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Bb End Chamfer Angle in Deg | 45.0 |
| Bore Diameter | 0.4880 INCHES MINIMUM AND 0.4900 INCHES MAXIMUM IN |
| Material | COPPER ALLOY |
| Shoulder First Fillet Radius | 0.030 INCHES NOMINAL IN |
| Shoulder Length | 0.160 INCHES NOMINAL IN |
| Metallic Hardness Rating | 97.0 MINIMUM ROCKWELL K |
| Bore Countersink | INCLUDED |
| Countersink Location | AA END AND BB END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2805-00-753-9846 is a Guide,valve Stem, manufactured by Renk America Llc Div Renk America, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-753-9846 has 2 manufacturer part numbers on file: 7539846 (U S Army Tank Automotive Command Amsta-Im-Mm), 515690Y2 (Renk America Llc Div Renk America).
Key specifications for 515690Y2: Shoulder Second Fillet Radius: 0.030 INCHES NOMINAL IN; Countersink Angle in Deg: 90.0; FSC Application Data: ENGINE,GASOLINE,NON-AIRCRAFT; Aa End Chamfer Angle in Deg: 45.0. 26 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.