The Contact,electrical, cataloged under National Stock Number 5999-01-027-3471, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-027-3471 |
| Primary Part Number | 903236-4 |
| Item Name | Contact,electrical |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Pin Diameter | 0.077 INCHES NOMINAL IN |
| Pin Accommodation Length | 0.503 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-G-45204,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY |
| Surface Treatment Document and Classification | MIL-G-45204,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE CONTACT |
| Overall Diameter | 0.133 INCHES NOMINAL IN |
| Precious Material | GOLD |
| Mounting Method | SNAP LOCK |
| Pin Accommodation Diameter | 0.025 INCHES NOMINAL IN |
| Style Designator | PIN CENTER CONTACT |
| Precious Material and Weight | 0.005 GOLD GRAINS, TROY |
| Material Document and Classification | QQ-C-533,T-H FED SPEC SINGLE MATERIAL RESPONSE BODY AND CONTACT |
| Retention Groove Diameter | 0.118 INCHES NOMINAL IN |
| Surface Treatment | GOLD BODY |
| Surface Treatment | GOLD CONTACT |
| Precious Material and Location | EXTERNAL SURFACE GOLD |
| Cable Entrance Diameter | 0.056 INCHES NOMINAL IN |
| Material | COPPER ALLOY BODY AND CONTACT |
| Terminal Type and Quantity | 1 SOLDER WELL END OPPOSITE CONTACT |
| 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 |
| Weight | 0.0100 lbs |
| Cube | 0.0013 cu ft |
| Part Number | Manufacturer |
|---|---|
| D-602-55 | Te Connectivity Corporation Dba Raychem Product Division (USA) |
| 903236-4 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| OD-602-55 | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
NSN 5999-01-027-3471 is a Contact,electrical, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-027-3471 has 2 manufacturer part numbers on file: D-602-55 (Te Connectivity Corporation Dba Raychem Product Division), 903236-4 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
2 possible matches (shared part number, not a government interchangeability claim): 5999-01-158-2251, 5999-01-197-5380. Verify interchangeability with system specifications before substitution.
Key specifications for 903236-4: Pin Diameter: 0.077 INCHES NOMINAL IN; Pin Accommodation Length: 0.503 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-G-45204,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Surface Treatment Document and Classification: MIL-G-45204,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE CONTACT. 18 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.