The Tee,tube, cataloged under National Stock Number 4730-01-556-3108, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Swagelok Co. Government technical data includes 1 specification, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-556-3108 |
| Primary Part Number | SS-8TF-40 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Material | STEEL COMP 316 OVERALL |
| 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 |
|---|---|
| SS-8TF-40 PRIMARY | Swagelok Co (USA) |
NSN 4730-01-556-3108 is a Tee,tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-556-3108 has 1 manufacturer part number on file: SS-8TF-40 (Swagelok Co).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-564-0151. Verify interchangeability with system specifications before substitution.
Key specifications for SS-8TF-40: Special Features: TEE TYPE PARTICULATE FILTER, 1/2 INCH, 40 MICRON PORE SIZE IN; Part Name Assigned by Controlling Agency: TUBE FITTING; End Item Identification: TYPE 45 DESTROYER, PROPULSION SYSTEM; Material: STEEL COMP 316 OVERALL. 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.