The Nut,aircraft Propeller Hub, cataloged under National Stock Number 1610-00-256-1632, is classified within Federal Supply Class 1610 (Aircraft Propellers and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hartzell Propeller Llc. Government technical data includes 1 specification, 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 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 | 1610-00-256-1632 |
| Primary Part Number | B1894 |
| Item Name | Nut,aircraft Propeller Hub |
| FSC / FSG | 1610 / 16 — Aircraft Propellers and Components |
| Manufacturer | Hartzell Propeller Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,SPEC DATA,SAE,4130,4135 OR 4140,NO TYPE DESIGNATOR; CADMIUM PLATED FINISH; SHAFT NO. 40; THD DATA,2 5/16 /2.312/ IN-12 NOM SIZE DESIGNATION,NONSTANDARD,CLASS 4B THD OR CLASS 4 FIT,0.750 IN. LG; DIM. DATA,2.344 IN. ID UNTHREADED PORTION,2.900 IN. OD AT HUB END,2.740 IN. OD AT FORWARD END,1.920 IN. H O/A,0.4375 IN. DIA WRENCHING HOLES 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 |
|---|---|
| B1894 PRIMARY | Hartzell Propeller Llc (USA) |
NSN 1610-00-256-1632 is a Nut,aircraft Propeller Hub, manufactured by Hartzell Propeller Llc, classified under FSC 1610, Aircraft Propellers and Components. Status: active.
NSN 1610-00-256-1632 has 1 manufacturer part number on file: B1894 (Hartzell Propeller Llc).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-392-9434. Verify interchangeability with system specifications before substitution.
Key specifications for B1894: General Characteristics Item Description: STEEL,SPEC DATA,SAE,4130,4135 OR 4140,NO TYPE DESIGNATOR; CADMIUM PLATED FINISH; SHAFT NO. 40; THD DATA,2 5/16 /2.312/ IN-12 NOM SIZE DESIGNATION,NONSTANDARD,CLASS 4B THD OR CLASS 4 FIT,0.750 IN. LG; DIM. DATA,2.344 IN. ID UNTHREADED PORTION,2.900 IN. OD AT HUB END,2.740 IN. OD AT FORWARD END,1.920 IN. H O/A,0.4375 IN. DIA WRENCHING HOLES IN. 1 specification is 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.