The Inserter,electrical Contact, cataloged under National Stock Number 5120-01-331-3857, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Aptiv Services 3 (us), Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5120-01-331-3857 |
| Primary Part Number | TG-22-IT |
| Item Name | Inserter,electrical Contact |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Aptiv Services 3 (us), Llc |
| Status | ACTIVE |
| Contact Size for Which Designed | NO. 22D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5120-01-331-3857 is a Inserter,electrical Contact, manufactured by Aptiv Services 3 (us), Llc, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-331-3857 has 3 manufacturer part numbers on file: TG-22-IT (Aptiv Services 3 (us), Llc), ITH1053 (Contact Service Tool Inc), ATH1053 (Astro Tool Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-342-7939. Verify interchangeability with system specifications before substitution.
Key specifications for TG-22-IT: Contact Size for Which Designed: NO. 22D; Special Features: TWEEZER TYPE; METAL; End Item Identification: HUGHES W SERIES REAR RELEASE CONNECTORS. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.