The Disk,valve, cataloged under National Stock Number 4820-00-763-2397, 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 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-763-2397 |
| Primary Part Number | 10959897 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Outside Diameter | 3.350 INCHES MINIMUM AND 3.380 INCHES MAXIMUM IN |
| Style Designator | PLAIN |
| Inside Diameter | 2.620 INCHES MINIMUM AND 2.630 INCHES MAXIMUM IN |
| Media for Which Designed | GASOLINE |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 10959897 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 48519 | 5/9 Secondary reference U.S. Government activity |
| 48519D | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-00-763-2397 is a Disk,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-763-2397 has 1 manufacturer part number on file: 10959897 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 6665-01-538-5300, 4710-01-622-0366. Verify interchangeability with system specifications before substitution.
Key specifications for 10959897: Overall Height: 0.341 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN; Outside Diameter: 3.350 INCHES MINIMUM AND 3.380 INCHES MAXIMUM IN; Style Designator: PLAIN; Inside Diameter: 2.620 INCHES MINIMUM AND 2.630 INCHES MAXIMUM IN. 5 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.