The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-023-8876, 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 Grimes Aerospace Company. Government technical data includes 7 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-023-8876 |
| Primary Part Number | 81D88 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Length | 0.190 INCHES NOMINAL IN |
| Thread Provision | UNTHREADED LOCATION NOT OTHERWISE SPECIFIED |
| Design Type | TUBULAR |
| Material Document and Classification | QQ-A-225/8, TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 4117 FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 0.154 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 |
| Orifice Diameter | 0.028 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 81D88 PRIMARY | Grimes Aerospace Company (USA) |
NSN 4730-01-023-8876 is a Restrictor,fluid Flow, manufactured by Grimes Aerospace Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-023-8876 has 1 manufacturer part number on file: 81D88 (Grimes Aerospace Company).
Key specifications for 81D88: Length: 0.190 INCHES NOMINAL IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Material Document and Classification: QQ-A-225/8, TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OR AMS 4117 FED SPEC SINGLE MATERIAL RESPONSE. 7 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.