The Contact,electrical, cataloged under National Stock Number 5999-01-348-2856, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-348-2856 |
| Primary Part Number | 178AS339 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Pin Diameter | 0.080 INCHES NOMINAL IN |
| Overall Diameter | 0.218 INCHES NOMINAL IN |
| Mounting Method | FORCE FIT |
| Style Designator | PIN CONTACT |
| Material Document and Classification | ASTM-A686 ASSN STD SINGLE MATERIAL RESPONSE BODY AND CONTACT |
| Surface Treatment | COPPER AND NICKEL AND TIN BODY AND CONTACT |
| Material | STEEL COMP W110 BODY AND CONTACT |
| Terminal Type and Quantity | 1 CRIMP AND SOLDER END OPPOSITE CONTACT |
| Pin Length | 0.344 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| 178AS339 | Naval Air Warfare Center Aircraft Div (USA) |
| 178AS339 | Bright Lights Usa, Inc Dba Blusa Defense Manufacturing (USA) |
| 178AS339 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 178AS339 | Autodyne Manufacturing Co Inc (USA) |
NSN 5999-01-348-2856 is a Contact,electrical, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-348-2856 has 4 manufacturer part numbers on file: 178AS339 (Naval Air Warfare Center Aircraft Div), 178AS339 (Bright Lights Usa, Inc Dba Blusa Defense Manufacturing), 178AS339 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 178AS339 (Autodyne Manufacturing Co Inc).
Key specifications for 178AS339: Pin Diameter: 0.080 INCHES NOMINAL IN; Overall Diameter: 0.218 INCHES NOMINAL IN; Mounting Method: FORCE FIT; Style Designator: PIN CONTACT. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.