The Parts Kit,diaphragm Replacement, cataloged under National Stock Number 4820-01-365-9457, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-365-9457 |
| Primary Part Number | 637140-11 |
| Item Name | Parts Kit,diaphragm Replacement |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| Status | ACTIVE |
| Component Quantity | 16 |
| Nonsupply Items and Quantities | 03990 93113 DIAPHRAGM 2; 03990 93100-1 BALL 4; 03990 Y325-122 1-5/16 IN. OD O-RING 4; 03990 Y325-119 1-1/8 IN. OD O-RING 2; 03990 Y325-120 1-3/16 IN. OD O-RING 4 IN |
| Document Source | 03990 |
| 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 |
|---|---|
| 637140-11 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| Reference | Meaning |
|---|---|
| 637140-11 | 5/9 Secondary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 4820-01-365-9457 is a Parts Kit,diaphragm Replacement, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-365-9457 has 1 manufacturer part number on file: 637140-11 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division).
Key specifications for 637140-11: Component Quantity: 16; Nonsupply Items and Quantities: 03990 93113 DIAPHRAGM 2; 03990 93100-1 BALL 4; 03990 Y325-122 1-5/16 IN. OD O-RING 4; 03990 Y325-119 1-1/8 IN. OD O-RING 2; 03990 Y325-120 1-3/16 IN. OD O-RING 4 IN; Document Source: 03990; End Item Identification: 666053-311 PNEUMATIC PUMP ONBOARD 400 FT WAGB COAST GUARD VESSELS FT. 3 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.