The Wrench,valve Seat Ring, cataloged under National Stock Number 5120-01-459-5503, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5120-01-459-5503 |
| Primary Part Number | 803-6397434-X1XXXX-100 |
| Item Name | Wrench,valve Seat Ring |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | CARBON STEEL; OCTAGONAL TYPE; FOR 1/4 IN. GLOBE VALVE; 0.301 IN. MALE OCTAGONAL WRENCHING SIZE; 25/32 IN. BODY DIA; 1/2 IN. MALE SQ DRIVE; 2-1/8 IN. O/A LG IN |
| 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 |
|---|---|
| 803-6397434-100 | Naval Sea Systems Command (USA) |
| 803-6397434-X1XXXX-100 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5120-01-459-5503 is a Wrench,valve Seat Ring, manufactured by Naval Sea Systems Command, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-459-5503 has 2 manufacturer part numbers on file: 803-6397434-100 (Naval Sea Systems Command), 803-6397434-X1XXXX-100 (Naval Sea Systems Command).
Key specifications for 803-6397434-X1XXXX-100: General Characteristics Item Description: CARBON STEEL; OCTAGONAL TYPE; FOR 1/4 IN. GLOBE VALVE; 0.301 IN. MALE OCTAGONAL WRENCHING SIZE; 25/32 IN. BODY DIA; 1/2 IN. MALE SQ DRIVE; 2-1/8 IN. O/A LG IN. 1 specification is 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.