The Disk,valve, cataloged under National Stock Number 4820-00-832-7787, 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 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-832-7787 |
| Primary Part Number | 8327787 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Style Designator | SPLIT WEDGE |
| Seat Angle | 5.0 DEGREES NOMINAL |
| Media for Which Designed | GASOLINE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 8327787 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1-33-304 | 5/9 Secondary reference U.S. Government activity |
| C2106M AND C2107M | 5/9 Secondary reference U.S. Government activity |
| 956363 | 5/9 Secondary reference Sasco Inc Canadian Div |
| B322 | 5/9 Secondary reference U.S. Government activity |
| 594E17 | 5/9 Secondary reference Diamond Reo Truck Co |
NSN 4820-00-832-7787 is a Disk,valve, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-832-7787 has 1 manufacturer part number on file: 8327787 (U S Army Tank Automotive Command Amsta-Im-Mm).
5 possible matches (shared part number, not a government interchangeability claim): 4130-01-262-2264, 3040-01-270-7892, 4320-01-338-4480. Verify interchangeability with system specifications before substitution.
Key specifications for 8327787: Overall Height: 2.650 INCHES NOMINAL IN; Style Designator: SPLIT WEDGE; Seat Angle: 5.0 DEGREES NOMINAL; Media for Which Designed: GASOLINE. 4 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.