The Elbow,tube to Boss, cataloged under National Stock Number 4730-01-027-8801, 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 18 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-027-8801 |
| Primary Part Number | AS1010W0405 |
| Item Name | Elbow,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Flow Angle | 45.0 DEGREES |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES SECOND END IN |
| Leg Length | 0.812 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.500 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END BULKHEAD IN |
| Nominal Thread Size | 0.438 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Specification/standard Data | 81343-AS1010 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Nondefinitive Spec/std Data | 2 STYLE |
| Thread Class | 2A FIRST END BULKHEAD A |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Thread Series Designator | UNF FIRST END BULKHEAD |
| 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 |
|---|---|
| AS1010W0405 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| 110-142-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| AS1010 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS1010 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS1010 | 5/1 Secondary reference Sae International Dba Sae International |
| AS1010W0405 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-01-027-8801 is a Elbow,tube to Boss, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-027-8801 has 1 manufacturer part number on file: AS1010W0405 (Sae International Dba Sae International).
4 possible matches (shared part number, not a government interchangeability claim): 3040-01-086-6642, 4730-01-144-3731, 4730-01-144-9641. Verify interchangeability with system specifications before substitution.
Key specifications for AS1010W0405: Flow Angle: 45.0 DEGREES; Connection Style: FLARELESS (TUBE) ALL ENDS; Connection Type: THREADED EXTERNAL TUBE ALL ENDS; Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN. 18 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.