The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-640-8870, 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 Accurate Screw Machine Corp Div Accurate Screw Machine Corporation. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-640-8870 |
| Primary Part Number | 8320 H SS 832 832 12A |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation |
| Status | ACTIVE |
| Flange Shape | HEXAGON CENTER BULKHEAD |
| Nominal Width Across Flats | 0.375 INCHES CENTER BULKHEAD IN |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Nominal Overall Length | 1.125 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Style Designator | CENTER WRENCHING FACILITY |
| Nominal Thread Size | 0.1640 INCHES ALL ENDS IN |
| Thread Quantity Per Inch | 32 ALL ENDS |
| Material | STEEL CORROSION RESISTING OVERALL |
| Nominal Thickness | 0.125 INCHES CENTER BULKHEAD 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 |
|---|---|
| 8320 H SS 832 832 12A PRIMARY | Accurate Screw Machine Corp Div Accurate Screw Machine Corporation (USA) |
NSN 4730-01-640-8870 is a Adapter,straight,tube to Boss, manufactured by Accurate Screw Machine Corp Div Accurate Screw Machine Corporation, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-640-8870 has 1 manufacturer part number on file: 8320 H SS 832 832 12A (Accurate Screw Machine Corp Div Accurate Screw Machine Corporation).
Key specifications for 8320 H SS 832 832 12A: Flange Shape: HEXAGON CENTER BULKHEAD; Nominal Width Across Flats: 0.375 INCHES CENTER BULKHEAD IN; Connection Style: PLAIN (TUBE) ALL ENDS; Nominal Overall Length: 1.125 INCHES IN. 10 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.