The Adapter,straight,flange to Boss, cataloged under National Stock Number 4730-01-658-5583, 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 Sae International Dba Sae International. Government technical data includes 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-658-5583 |
| Primary Part Number | AS933W05L |
| Item Name | Adapter,straight,flange to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) SECOND END |
| Nominal Length | 1.185 INCHES FIRST END IN |
| Nominal Overall Length | 1.185 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES SECOND END IN |
| Nominal Thread Size | 0.5 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES SECOND END |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 3A ALL ENDS A |
| Thread Quantity Per Inch | 20 ALL ENDS |
| Material | ALUMINUM ALLOY UNION |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| AS933W05L PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS933W05L | 5/9 Secondary reference U.S. Government activity |
| AS933 | 5/9 Secondary reference U.S. Government activity |
| AS933 | 5/9 Secondary reference Sae International Dba Sae International |
| SAE-AS4875/1 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS933W05L | 5/9 Secondary reference Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco |
NSN 4730-01-658-5583 is a Adapter,straight,flange to Boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-658-5583 has 1 manufacturer part number on file: AS933W05L (Sae International Dba Sae International).
Key specifications for AS933W05L: Connection Style: FLARED (TUBE) SECOND END; Nominal Length: 1.185 INCHES FIRST END IN; Nominal Overall Length: 1.185 INCHES IN; Connection Type: THREADED EXTERNAL TUBE SECOND END. 12 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.