The Insert,screw Thread, cataloged under National Stock Number 5325-00-606-3099, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-606-3099 |
| Primary Part Number | 123HM10219-1 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Width Across Flats | 1.365 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN |
| Length | 1.562 INCHES NOMINAL IN |
| Insert Size | 1.625-18 NEF-3A LH A |
| Style Designator | KEYLOCK |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Top Unthreaded Portion Outside Diameter | 1.500 INCHES NOMINAL IN |
| Top Portion Unthreaded Outside Length | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 416 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123HM10219-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123HM10219-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5325-00-606-3099 is a Insert,screw Thread, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-606-3099 has 1 manufacturer part number on file: 123HM10219-1 (Northrop Grumman Systems Corporation).
Key specifications for 123HM10219-1: Width Across Flats: 1.365 INCHES MINIMUM AND 1.378 INCHES MAXIMUM IN; Length: 1.562 INCHES NOMINAL IN; Insert Size: 1.625-18 NEF-3A LH A; Style Designator: KEYLOCK. 9 specifications are 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.