The Disk,valve, cataloged under National Stock Number 4820-01-073-7297, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-073-7297 |
| Primary Part Number | SMS-13434-94-779 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc |
| Status | ACTIVE |
| Shoulder Width | 0.125 INCHES NOMINAL IN |
| Shoulder Height | 0.250 INCHES NOMINAL IN |
| Outside Diameter | 1.120 INCHES NOMINAL IN |
| Style Designator | PLUG |
| Seat Angle | 82.0 DEGREES NOMINAL |
| Nominal Thread Size | 0.750 INCHES IN |
| Thread Class | 2B |
| Material | STEEL CORROSION RESISTING |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| SMS-13434-94-779 PRIMARY | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 13434-94-779 | 5/9 Secondary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| N1136-1 | D/9 Drawing number reference only Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| N1136-1PC22 | 5/9 Secondary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| 013434-094-779 | C/1 Advisory reference — outside the item-of-supply concept Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
NSN 4820-01-073-7297 is a Disk,valve, manufactured by Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-073-7297 has 1 manufacturer part number on file: SMS-13434-94-779 (Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc).
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-192-3530, 4810-01-192-3610, 4810-01-192-3611. Verify interchangeability with system specifications before substitution.
Key specifications for SMS-13434-94-779: Overall Height: 4.945 INCHES NOMINAL IN; Shoulder Width: 0.125 INCHES NOMINAL IN; Shoulder Height: 0.250 INCHES NOMINAL IN; Outside Diameter: 1.120 INCHES NOMINAL IN. 9 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.