The Insert,screw Thread, cataloged under National Stock Number 5325-00-919-8909, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Microdot Products. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-919-8909 |
| Primary Part Number | 961C-4CS0375 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Microdot Products |
| Status | ACTIVE |
| Bottom Portion Unthreaded Outside Length | 0.100 INCHES NOMINAL IN |
| Length | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN |
| Insert Size | 7/16/0.438/IN.-20 UNF CLASS 3A THD OR CLASS 3 FIT A |
| Style Designator | KEYLOCK |
| Material Document and Classification | QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Internal Thread Relief Depth | 0.083 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Features Provided | INDIVIDUALLY KEYED |
| Top Unthreaded Portion Outside Diameter | 0.336 INCHES MINIMUM AND 0.346 INCHES MAXIMUM IN |
| Top Portion Unthreaded Outside Length | 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1117 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 |
|---|---|
| 961C-4CS0375 PRIMARY | Howmet Global Fastening Systems Inc. Div Microdot Products (USA) |
| Reference | Meaning |
|---|---|
| 69700A19-6 | 5/9 Secondary reference Cae Usa Inc. |
| 69700A19-6 | 5/9 Secondary reference Hamilton Sundstrand Corporation Dba Collins Aerospace |
| 69700A19-6 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| 961C-4CS0375 | C/1 Advisory reference — outside the item-of-supply concept Stanley Engineered Fastening Llc |
NSN 5325-00-919-8909 is a Insert,screw Thread, manufactured by Howmet Global Fastening Systems Inc. Div Microdot Products, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-919-8909 has 1 manufacturer part number on file: 961C-4CS0375 (Howmet Global Fastening Systems Inc. Div Microdot Products).
Key specifications for 961C-4CS0375: Bottom Portion Unthreaded Outside Length: 0.100 INCHES NOMINAL IN; Length: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; Insert Size: 7/16/0.438/IN.-20 UNF CLASS 3A THD OR CLASS 3 FIT A; Style Designator: KEYLOCK. 11 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.