The Compass,magnetic,mounted, cataloged under National Stock Number 6605-01-438-3988, is classified within Federal Supply Class 6605 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ritchie E S and Sons Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6605-01-438-3988 |
| Primary Part Number | S-53 |
| Item Name | Compass,magnetic,mounted |
| FSC / FSG | 6605 / 66 — No Item Name Available |
| Manufacturer | Ritchie E S and Sons Inc |
| Status | ACTIVE |
| Illuminated Feature | INCLUDED |
| Fluid Type | ANY ACCEPTABLE |
| Mounting Method | BASE |
| Card Size | 2.750 INCHES IN |
| Instrument Type | WET |
| Bowl Element Type | CARD |
| Smallest Increment in Deg | 5.0 CARD |
| Bowl Shape | SPHERICAL |
| Compensating Feature | INCLUDED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| S-53 PRIMARY | Ritchie E S and Sons Inc (USA) |
NSN 6605-01-438-3988 is a Compass,magnetic,mounted, manufactured by Ritchie E S and Sons Inc, classified under FSC 6605 (No Item Name Available). Status: active.
NSN 6605-01-438-3988 has 1 cross-referenced part number: S-53 (Ritchie E S and Sons Inc).
There are 8 known substitutes for 6605-01-438-3988: 6240-00-143-3172, 6250-00-283-9383, 6625-00-354-9709 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for S-53: Illuminated Feature: INCLUDED; Fluid Type: ANY ACCEPTABLE; Special Features: PUSH-BUTTON REMOVAL; MOVEABLE SUN SHIELD; Mounting Method: BASE. 10 total characteristics are documented in the Federal Logistics Information System.