The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-00-188-8029, 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 Embraer S.a.. Government technical data includes 15 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through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-188-8029 |
| Primary Part Number | 3101243 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Embraer S.a. |
| Status | ACTIVE |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Nominal Overall Length | 1.391 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Specification/standard Data | 81343-AS4875/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A FIRST END A |
| Thread Class | 3B SECOND END |
| Material | ALUMINUM ALLOY OVERALL |
| 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 |
|---|---|
| 3101243 | Embraer S.a. (BRA) |
| Reference | Meaning |
|---|---|
| 308D368P2 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
| 308D368P2 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
| 4730PL0839210 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4936-6-4D | 5/1 Secondary reference U.S. Government activity |
| 3C8D368P2 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company |
| AS4875/1 | 5/9 Secondary reference U.S. Government activity |
| 3101243 | 5/9 Secondary reference Embraer Empresa Brasileira De Aeronautica Sa |
| MIL-F-5509 | 4/1 Identification reference U.S. Government activity |
| AN894D6-4 | 2/2 Government specification standardization U.S. Government activity |
| AS4875/1 | 5/1 Secondary reference Sae International Dba Sae International |
| 4730PL2220252 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4730-00-188-8029 is a Adapter,straight,tube to Boss, manufactured by Embraer S.a., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-188-8029 has 1 manufacturer part number on file: 3101243 (Embraer S.a.).
2 possible matches (shared part number, not a government interchangeability claim): 4730-00-541-7519, 4920-00-871-2603. Verify interchangeability with system specifications before substitution.
Key specifications for 3101243: Connection Style: FLARED (TUBE) FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Nominal Overall Length: 1.391 INCHES IN; Connection Type: THREADED EXTERNAL TUBE FIRST END. 15 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.