The Lockbar, cataloged under National Stock Number 5342-01-296-3038, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-296-3038 |
| Primary Part Number | 5224315-1 |
| Item Name | Lockbar |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CHROME-MOLYBDENUM,4140,PER MIL-S-5626,NORMALIZED; CHROMIUM PLATED PER QQ-C-320,CLASS 2,TYPE 2,0.002 IN. MIN THK,0.004 IN. MAX THK; HEAT TREATED PER MIL-H-6875 TO ROCKWELL C SCALE 40.0 MIN,46.0 MAX; 7.500 IN. OVERALL LG; 2.990 IN. MIN,2.992 IN. MAX W; 1.740 IN. MIN,1.742 IN. MAX H; 3 HOLES ONE END,CTR 1.000 IN. FM ONE EDGE ALONG W,CTR 1.000 IN. APART; CTR HOLE TAPPED 0.875-14UNF-2B,1.000 IN. MIN,1.240 IN. MAX DP; 2 HOLES TAPPED 0.190-32UNF-2B,0.380 IN. MIN,0.620 IN. MAX DP; 4 GROOVES 0.045 IN. MIN,0.075 IN. MAX DP,4 SIDES ACROSS W,0.620 IN. RADIUS INSIDE; CHAMFER 45.0 DEG: OPPOSITE THD END,0.120 IN. W,AND 4 EDGES ALONG LG,0.060 IN. MIN,0.063 IN. MAX W; GROOVE CTRS FM NON-THD END: 1.600 IN. 1ST,3.000 IN. 2ND,4.500 IN. 3RD,5.900 IN. 4TH; NICKEL PLATED PER MIL-C-26074,CLASS 2,GRADE B,0.0005 IN. MIN THK,UNDER CHROMIUM PLATING IN |
| 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 |
|---|---|
| 5224315-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5224315-1 | 5/9 Secondary reference Warner Aircraft Engineering Dba Aircraft Engineering Corporati |
NSN 5342-01-296-3038 is a Lockbar, manufactured by Naval Sea Systems Command, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-296-3038 has 1 manufacturer part number on file: 5224315-1 (Naval Sea Systems Command).
Key specifications for 5224315-1: General Characteristics Item Description: STEEL,CHROME-MOLYBDENUM,4140,PER MIL-S-5626,NORMALIZED; CHROMIUM PLATED PER QQ-C-320,CLASS 2,TYPE 2,0.002 IN. MIN THK,0.004 IN. MAX THK; HEAT TREATED PER MIL-H-6875 TO ROCKWELL C SCALE 40.0 MIN,46.0 MAX; 7.500 IN. OVERALL LG; 2.990 IN. MIN,2.992 IN. MAX W; 1.740 IN. MIN,1.742 IN. MAX H; 3 HOLES ONE END,CTR 1.000 IN. FM ONE EDGE ALONG W,CTR 1.000 IN. APART; CTR HOLE TAPPED 0.875-14UNF-2B,1.000 IN. MIN,1.240 IN. MAX DP; 2 HOLES TAPPED 0.190-32UNF-2B,0.380 IN. MIN,0.620 IN. MAX DP; 4 GROOVES 0.045 IN. MIN,0.075 IN. MAX DP,4 SIDES ACROSS W,0.620 IN. RADIUS INSIDE; CHAMFER 45.0 DEG: OPPOSITE THD END,0.120 IN. W,AND 4 EDGES ALONG LG,0.060 IN. MIN,0.063 IN. MAX W; GROOVE CTRS FM NON-THD END: 1.600 IN. 1ST,3.000 IN. 2ND,4.500 IN. 3RD,5.900 IN. 4TH; NICKEL PLATED PER MIL-C-26074,CLASS 2,GRADE B,0.0005 IN. MIN THK,UNDER CHROMIUM PLATING IN. 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.