The Guide,valve Stem, cataloged under National Stock Number 2805-00-529-3770, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-529-3770 |
| Primary Part Number | 5293770 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shoulder Second Fillet Radius | 0.031 INCHES NOMINAL IN |
| FSC Application Data | ENGINE,GASOLINE,NON-AIRCRAFT |
| Aa End Chamfer Angle in Deg | 45.0 |
| Aa End Chamfer Length | 0.031 INCHES NOMINAL IN |
| Major Diameter Length | 1.859 INCHES NOMINAL IN |
| Taper Minor Diameter | 0.656 INCHES NOMINAL IN |
| Style Designator | STEPPED-STEPPED TAPERED SHANK END |
| Bore Counterbore | INCLUDED |
| Outside Diameter | 0.6885 INCHES MINIMUM AND 0.6890 INCHES MAXIMUM IN |
| Counterbore Depth | 0.375 INCHES NOMINAL IN |
| Counterbore Location | AA END |
| Counterbore Diameter | 0.406 INCHES NOMINAL IN |
| Taper Length | 0.219 INCHES MAXIMUM IN |
| Length From Aa End to Largest Diameter Face | 0.375 INCHES NOMINAL IN |
| Aa End Diameter | 0.625 INCHES NOMINAL IN |
| Bore Diameter | 0.3430 INCHES MINIMUM AND 0.3440 INCHES MAXIMUM IN |
| Material | IRON CAST |
| Bore Countersink | NOT INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5293770 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 2805-00-529-3770 is a Guide,valve Stem, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-529-3770 has 1 manufacturer part number on file: 5293770 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 5293770: Shoulder Second Fillet Radius: 0.031 INCHES NOMINAL IN; FSC Application Data: ENGINE,GASOLINE,NON-AIRCRAFT; Aa End Chamfer Angle in Deg: 45.0; Aa End Chamfer Length: 0.031 INCHES NOMINAL IN. 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.
NSN 2805-00-529-3770 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.