The Valve,angle, cataloged under National Stock Number 4820-00-138-3899, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-138-3899 |
| Primary Part Number | SS2SA2 |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Flow Control Device | NEEDLE |
| Furnished Items and Quantity | 2 NUT |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Style Designator | ANGLE |
| Material Document and Classification | 66,AISI 316/SAE 30316 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES ALL ENDS IN |
| Bonnet Type | INSIDE SCREW |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.312 INCHES FIRST END IN |
| Seat Angle | 20.0 DEGREES ALL ENDS |
| Mounting Facility | BULKHEAD |
| Bonnet Attachment Method | INTEGRAL |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL COMP 316 OVERALL |
| Thread Series Designator | UNF ALL ENDS |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| SS2SA2 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS2SA2 | 5/9 Secondary reference Nupro Co |
NSN 4820-00-138-3899 is a Valve,angle, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-138-3899 has 1 manufacturer part number on file: SS2SA2 (Swagelok Co).
Key specifications for SS2SA2: Flow Control Device: NEEDLE; Furnished Items and Quantity: 2 NUT; Connection Style: FLARELESS (TUBE) ALL ENDS; Style Designator: ANGLE. 16 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.