The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-391-5220, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5935-00-391-5220 |
| Primary Part Number | 81304-33 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 5.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Body Style | STRAIGHT SHAPE |
| Terminal Type | CRIMP SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Guide Design and Location | D SHAPE SOCKET RIGHT-HAND AT 12:00 OCLOCK |
| Guide Design and Location | D SHAPE PIN LEFT-HAND AT 3:00 OCLOCK |
| Contact Position Arrangement Style | 2 ROWS OF CONTACTS NON-INSERTED BOARD SINGLE MATING END |
| Unthreaded Mounting Hole Diameter | 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Insert Material Document and Classification | MIL-P-19833,GD1-30F MIL SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END |
| Precious Material and Weight | 0.070 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Mounting Facility Centers | 4.095 INCHES MINIMUM AND 4.105 INCHES MAXIMUM IN |
| Included Contact Quantity | 70 SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Type | ROUND SOCKET SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Maximum AC Voltage Rating in Volts | 330.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | GUIDE PIN/SOCKET |
| Contact Surface Treatment Document and Classification | MIL-G-45204,TYPE 1,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | MOISTURE RESISTANT AND SALT WATER RESISTANT AND VIBRATION RESISTANT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material Document and Classification | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC DIALLYL PHTHALATE SINGLE MATING END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 81304-33 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| WTK70SSY477-2QCS63H | Airborn Interconnect, Llc (USA) |
| Reference | Meaning |
|---|---|
| 81304-33 | 5/9 Secondary reference United Technologies Corp Hamilton Sundstrand Corp |
NSN 5935-00-391-5220 is a Connector,receptacle,electrical, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-391-5220 has 2 manufacturer part numbers on file: 81304-33 (Hamilton Sundstrand Corporation Dba Collins Aerospace), WTK70SSY477-2QCS63H (Airborn Interconnect, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-412-0196. Verify interchangeability with system specifications before substitution.
Key specifications for 81304-33: Overall Height: 0.715 INCHES NOMINAL IN; Contact Maximum Current Rating in Amps: 5.0 SINGLE MATING END SINGLE CONTACT GROUPING; Body Style: STRAIGHT SHAPE; Terminal Type: CRIMP SINGLE MATING END SINGLE CONTACT GROUPING. 25 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.