The Insert,screw Thread, cataloged under National Stock Number 5325-00-327-4820, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 9 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-327-4820 |
| Primary Part Number | 947555-28 |
| Item Name | Insert,screw Thread |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Length | 0.168 INCHES NOMINAL IN |
| Insert Size | 0.144 IN. MIN 0.159 IN. MAX FREE OD IN |
| Style Designator | COIL |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Size | 0.112 INCHES IN |
| Thread Class | 3B |
| Thread Quantity Per Inch | 40 |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 947555-28 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| B68173 | Mbda Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 311663-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 311663-3 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| MS21209C0415L | 3/2 Design control — primary reference U.S. Government activity |
| NAS1130-04L150 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MS21209C0415L | 5/9 Secondary reference U.S. Government activity |
| NASM21209 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5325-00-327-4820 is a Insert,screw Thread, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-327-4820 has 2 manufacturer part numbers on file: 947555-28 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), B68173 (Mbda Uk Ltd).
Key specifications for 947555-28: Length: 0.168 INCHES NOMINAL IN; Insert Size: 0.144 IN. MIN 0.159 IN. MAX FREE OD IN; Style Designator: COIL; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL. 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.