The Elbow,tube, cataloged under National Stock Number 4730-00-491-1271, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 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 | 4730-00-491-1271 |
| Primary Part Number | SS1610-9 |
| Item Name | Elbow,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Furnished Items and Quantity | 4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT |
| Flow Angle | 90.0 DEGREES |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Leg Length | 1.219 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 1.312 INCHES FIRST END IN |
| Seat Angle | 20.0 DEGREES FIRST END |
| Thread Class | 3A FIRST END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UN FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1610-9-316 | Swagelok Co (USA) |
| 2519169-2 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| SS1610-9 PRIMARY | Swagelok Co (USA) |
NSN 4730-00-491-1271 is a Elbow,tube, manufactured by Swagelok Co, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-491-1271 has 3 manufacturer part numbers on file: 1610-9-316 (Swagelok Co), 2519169-2 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), SS1610-9 (Swagelok Co).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-299-2016, 4730-01-593-6018, 4730-01-617-7266. Verify interchangeability with system specifications before substitution.
Key specifications for SS1610-9: Furnished Items and Quantity: 4 FERRULE SLEEVE AND 2 SHORT COUPLING NUT; Flow Angle: 90.0 DEGREES; Connection Style: FLARELESS (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 13 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.
NSN 4730-00-491-1271 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.