The Plug,tube Fitting,threaded, cataloged under National Stock Number 4730-00-202-8341, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-202-8341 |
| Primary Part Number | MS21913-8 |
| Item Name | Plug,tube Fitting,threaded |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Head Height | 0.281 INCHES NOMINAL IN |
| Connection Style | FLARELESS |
| Style Designator | PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC) |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 0.750 INCHES EXTERNAL IN |
| Seat Angle | 12.0 DEGREES |
| Specification/standard Data | 96906-MS21913 GOVERNMENT STANDARD |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A EXTERNAL A |
| Material | STEEL COMP 1141 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) EXTERNAL |
| 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 |
|---|---|
| MS21913-8 PRIMARY | Sae International Dba Sae International (USA) |
| MS21913-8 | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| Reference | Meaning |
|---|---|
| MS21913-8 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 4730002028341 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| AS18280 | 5/9 Secondary reference U.S. Government activity |
| MS21913-8 | 5/9 Secondary reference U.S. Government activity |
| MIL-F-18280 | 5/9 Secondary reference U.S. Government activity |
| MS21913-8 | C/1 Advisory reference — outside the item-of-supply concept Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| AS21913-8 | 5/9 Secondary reference U.S. Government activity |
| MIL-F-18280 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 3S30023-129 | 5/9 Secondary reference U.S. Government activity |
| AS18280 | 3/1 Design control — primary reference Sae International Dba Sae International |
| MS21913-8 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-202-8341 is a Plug,tube Fitting,threaded, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-202-8341 has 2 manufacturer part numbers on file: MS21913-8 (Sae International Dba Sae International), MS21913-8 (Sps Technologies, Llc Dba Airdrome Precision Components).
1 possible match (shared part number, not a government interchangeability claim): 4730-00-813-7441. Verify interchangeability with system specifications before substitution.
Key specifications for MS21913-8: Head Height: 0.281 INCHES NOMINAL IN; Connection Style: FLARELESS; Style Designator: PLUG, TUBE FITTING FLARELESS (NOTE: DRILLED HOLE IS OPTIONAL, SHOULD NOT BE CONSIDERED AS A SEPARATING CHARACTERISTIC); Material Document and Classification: QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.