The Seat,valve, cataloged under National Stock Number 4820-01-154-8062, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-154-8062 |
| Primary Part Number | 1000601-X-18-03 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc |
| Status | ACTIVE |
| Body Outside Diameter | 17.612 INCHES MINIMUM AND 17.617 INCHES MAXIMUM IN |
| Thread Length | 0.750 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Style Designator | PLAIN |
| Material Document and Classification | QQ-N-281/A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Body Inside Diameter | 15.875 INCHES NOMINAL IN |
| Nominal Thread Size | 17.625 INCHES SINGLE THREADED PORTION IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Thread Quantity Per Inch | 12 SINGLE THREADED PORTION |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| 1000601-X-18-03 PRIMARY | Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc (USA) |
| Reference | Meaning |
|---|---|
| 1000101 | D/9 Drawing number reference only Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc |
| 1000101-18-3 | 5/9 Secondary reference Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc |
| 1000101-18-03 | C/1 Advisory reference — outside the item-of-supply concept Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc |
| 1000601-18-3 | 5/9 Secondary reference Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc |
NSN 4820-01-154-8062 is a Seat,valve, manufactured by Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-154-8062 has 1 manufacturer part number on file: 1000601-X-18-03 (Robert E. Krueger Manufacturing and Engineering Company, Llc Dba Robert E Krueger Manufacturing & Engineering Co Llc).
3 possible matches (shared part number, not a government interchangeability claim): 6150-01-483-7184, 6120-01-557-9298, 8470-01-713-6966. Verify interchangeability with system specifications before substitution.
Key specifications for 1000601-X-18-03: Overall Height: 0.750 INCHES NOMINAL IN; Body Outside Diameter: 17.612 INCHES MINIMUM AND 17.617 INCHES MAXIMUM IN; Thread Length: 0.750 INCHES NOMINAL SINGLE THREADED PORTION IN; Style Designator: PLAIN. 11 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.