The Thumbscrew Assembly, cataloged under National Stock Number 5325-00-993-0144, is classified within Federal Supply Class 5325 (Fastening Devices) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5325-00-993-0144 |
| Primary Part Number | 7236256P001 |
| Item Name | Thumbscrew Assembly |
| FSC / FSG | 5325 / 53 — Fastening Devices |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| General Characteristics Item Description | SCREW STAINLESS STEEL,TYPE 303 QQ-S-736B,CLASS 303,PASSIVATED,STAND-OFF STAINLESS STEEL,TYPE 305 A.M.S. 5514-A,PASSIVATED,RETAINER STAINLESS STEEL,TYPE 302 MIL-S-5059,COMP 302,PASSIVATED,SPRING STAINLESS STEEL,TYPE 302 QQ-W-423,COMP FS 302,PASSIVATED,1.625 IN. O/A LG OF THUMBSCREW,0.562 IN. DIA OF SCREW HEAD,0.250 IN. W OF SCREW HEAD,0.062 IN. W BY 0.094 IN. DEEP SLOT IN SCREW HEAD,1/4-20 NC-2A BY 0.375 IN. LG THD ON SCREW,STRAIGHT KNURLED HEAD ON SCREW,0.625 IN. LG OF STAND-OFF,0.438 IN. OD OF STAND-OFF,0.531 IN. O/A DIA OF STAND-OFF SHOULDER,0.188 IN. DISTANCE FROM BOTTOM OF STANDOFF TO SHOULDER A |
| 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 |
|---|---|
| 7236256P001 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 7236256PT1 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms |
| 56-11-516-24 | 5/2 Secondary reference U.S. Government activity |
NSN 5325-00-993-0144 is a Thumbscrew Assembly, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5325, Fastening Devices. Status: active.
NSN 5325-00-993-0144 has 1 manufacturer part number on file: 7236256P001 (Lockheed Martin Corporation Div Rms).
Key specifications for 7236256P001: General Characteristics Item Description: SCREW STAINLESS STEEL,TYPE 303 QQ-S-736B,CLASS 303,PASSIVATED,STAND-OFF STAINLESS STEEL,TYPE 305 A.M.S. 5514-A,PASSIVATED,RETAINER STAINLESS STEEL,TYPE 302 MIL-S-5059,COMP 302,PASSIVATED,SPRING STAINLESS STEEL,TYPE 302 QQ-W-423,COMP FS 302,PASSIVATED,1.625 IN. O/A LG OF THUMBSCREW,0.562 IN. DIA OF SCREW HEAD,0.250 IN. W OF SCREW HEAD,0.062 IN. W BY 0.094 IN. DEEP SLOT IN SCREW HEAD,1/4-20 NC-2A BY 0.375 IN. LG THD ON SCREW,STRAIGHT KNURLED HEAD ON SCREW,0.625 IN. LG OF STAND-OFF,0.438 IN. OD OF STAND-OFF,0.531 IN. O/A DIA OF STAND-OFF SHOULDER,0.188 IN. DISTANCE FROM BOTTOM OF STANDOFF TO SHOULDER A. 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.