The Guide,valve Stem, cataloged under National Stock Number 4820-01-278-4117, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Natural Gas Solutions North America Llc Div Industrial Products Group. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-278-4117 |
| Primary Part Number | TA-3253 |
| Item Name | Guide,valve Stem |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Natural Gas Solutions North America Llc Div Industrial Products Group |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| TC430-440 PIECE 12 | Natural Gas Solutions North America Llc Div Industrial Products Group (USA) |
| TA-3253 PRIMARY | Natural Gas Solutions North America Llc Div Industrial Products Group (USA) |
| Reference | Meaning |
|---|---|
| TC430-440 | D/9 Drawing number reference only Texsteam Inc Dba Txt or Rcs or Texsteam |
| TC430-440 PIECE 12 | 5/9 Secondary reference Texsteam Inc Dba Txt or Rcs or Texsteam |
| TA-3253 | 3/9 Design control — primary reference Texsteam Inc Dba Txt or Rcs or Texsteam |
NSN 4820-01-278-4117 is a Guide,valve Stem, manufactured by Natural Gas Solutions North America Llc Div Industrial Products Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-278-4117 has 2 manufacturer part numbers on file: TC430-440 PIECE 12 (Natural Gas Solutions North America Llc Div Industrial Products Group), TA-3253 (Natural Gas Solutions North America Llc Div Industrial Products Group).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-278-5429, 4820-01-278-5701. Verify interchangeability with system specifications before substitution.
Key specifications for TA-3253: Material: STEEL CORROSION RESISTING. 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.