The Tee,boss, cataloged under National Stock Number 4730-00-974-7109, 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 Asrc Federal Facilities Logistics, Llc. Government technical data includes 9 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-974-7109 |
| Primary Part Number | 308821 |
| Item Name | Tee,boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Asrc Federal Facilities Logistics, Llc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 REDUCER NUT |
| Connection Style | GASKET SEAL (BOSS) ALL ENDS |
| Connection Type | THREADED INTERNAL BOSS ALL ENDS |
| Leg Length | 0.844 INCHES NOMINAL ALL ENDS IN |
| Nominal Thread Size | 0.562 INCHES FIRST END IN |
| Surface Treatment | PHOSPHATE OVERALL |
| Thread Class | 2B ALL ENDS |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 308821 PRIMARY | Asrc Federal Facilities Logistics, Llc (USA) |
| 308821 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 308821 | 5/9 Secondary reference Howden Fluid Systems |
NSN 4730-00-974-7109 is a Tee,boss, manufactured by Asrc Federal Facilities Logistics, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-974-7109 has 2 manufacturer part numbers on file: 308821 (Asrc Federal Facilities Logistics, Llc), 308821 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
Key specifications for 308821: Furnished Items and Quantity: 1 REDUCER NUT; Connection Style: GASKET SEAL (BOSS) ALL ENDS; Connection Type: THREADED INTERNAL BOSS ALL ENDS; Leg Length: 0.844 INCHES NOMINAL ALL ENDS 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.