The Guide,valve Stem, cataloged under National Stock Number 4820-01-119-7893, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-119-7893 |
| Primary Part Number | 11629017 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Shoulder Second Fillet Radius | 0.020 INCHES NOMINAL IN |
| Major Diameter Length | 0.250 INCHES NOMINAL IN |
| Bb End Shank Diameter | 0.290 INCHES NOMINAL IN |
| Style Designator | PLAIN-SHOULDERED |
| Bore Counterbore | NOT INCLUDED |
| Outside Diameter | 0.496 INCHES NOMINAL IN |
| Length From Aa End to Largest Diameter Face | 0.200 INCHES NOMINAL IN |
| Aa End Diameter | 0.290 INCHES NOMINAL IN |
| Bore Diameter | 0.1250 INCHES NOMINAL IN |
| Material | STEEL |
| Shoulder First Fillet Radius | 0.020 INCHES NOMINAL IN |
| Bore Countersink | NOT INCLUDED |
| 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 |
|---|---|
| 11629017 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 4820-01-119-7893 is a Guide,valve Stem, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-119-7893 has 1 manufacturer part number on file: 11629017 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 11629017: Shoulder Second Fillet Radius: 0.020 INCHES NOMINAL IN; Major Diameter Length: 0.250 INCHES NOMINAL IN; Bb End Shank Diameter: 0.290 INCHES NOMINAL IN; Style Designator: PLAIN-SHOULDERED. 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.