The Windlass, cataloged under National Stock Number 3950-00-389-7921, is classified within Federal Supply Class 3950 (No Item Name Available) of the Materials Handling Equipment group. The primary manufacturer of record is A B Seals Inc Dba Cast Seal Type a and Type B. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-00-389-7921 |
| Primary Part Number | 8-71 |
| Item Name | Windlass |
| FSC / FSG | 3950 / 39 — No Item Name Available |
| Manufacturer | A B Seals Inc Dba Cast Seal Type a and Type B |
| Status | ACTIVE |
| Whelp Quantity | 5 |
| Travel Rate Per Minute | 36.0 FEET FT |
| Frequency in Hertz | 60.0 |
| Chain Type | DIE LOCK LINK |
| Phase | THREE |
| Inclosure Type | FULLY INCLOSED |
| Unable to Decode | UNABLE TO DECODE |
| Capstan Spool Quantity | 1 |
| Whelped Wheel Quantity | 1 |
| Duty Cycle | INTERMITTENT |
| Power Requirement Rating | 16.00 HORSEPOWER |
| Voltage in Volts | 440.0 |
| Prime Mover Type | ELECTRIC MOTOR |
| Braking Method | MANUAL AND ELECTRIC |
| Operation Method | POWERED |
| Furnished Items and Quantity | 1 MOTOR CONTROLLER |
| Largest Diameter and Location | 18.000 INCHES NOMINAL FIRST SPOOL IN |
| Cooling Method | ANY ACCEPTABLE |
| Capstan Spool Mounting Position | VERTICAL |
| Current Type | AC |
| Capstan Spool Surface Design | PLAIN |
| Environmental Protection | DRIPPROOF |
| Shaft Mounting Position | VERTICAL |
| Prime Mover Quantity | 1 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 3950-00-389-7921 is a Windlass, manufactured by A B Seals Inc Dba Cast Seal Type a and Type B, classified under FSC 3950 (No Item Name Available). Status: active.
NSN 3950-00-389-7921 has 3 cross-referenced part numbers: 8-71 (A B Seals Inc Dba Cast Seal Type a and Type B), 545025 (Naval Ship Systems Command), 8-71 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).
There are 12 known substitutes for 3950-00-389-7921: 5310-00-285-7420, 2530-00-383-5060, 6515-00-384-6950 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 8-71: Whelp Quantity: 5; Travel Rate Per Minute: 36.0 FEET FT; Frequency in Hertz: 60.0; Overall Length: 16.000 INCHES NOMINAL FIRST SPOOL IN. 25 total characteristics are documented in the Federal Logistics Information System.