The Clamp Block,half, cataloged under National Stock Number 5342-01-239-5285, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5342-01-239-5285 |
| Primary Part Number | A51L11071-11 |
| Item Name | Clamp Block,half |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | PLASTIC POLYAMIDE; 1.625 IN. LONG; 0.440 IN. FLANGE HEIGHT; 0.032 IN. FLANGE THICKNESS; 0.380 IN. WIDE; TWO HOLES 0.190 IN. MIN AND 0.196 IN. MAX DIA; FOUR GROOVES,TWO EACH SIDE,0.094 IN. MIN AND 0.096 IN. MAX RADIUS 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 |
|---|---|
| A51L11071-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51L11071-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51L11071-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
NSN 5342-01-239-5285 is a Clamp Block,half, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-239-5285 has 1 manufacturer part number on file: A51L11071-11 (Northrop Grumman Systems Corporation).
Key specifications for A51L11071-11: General Characteristics Item Description: PLASTIC POLYAMIDE; 1.625 IN. LONG; 0.440 IN. FLANGE HEIGHT; 0.032 IN. FLANGE THICKNESS; 0.380 IN. WIDE; TWO HOLES 0.190 IN. MIN AND 0.196 IN. MAX DIA; FOUR GROOVES,TWO EACH SIDE,0.094 IN. MIN AND 0.096 IN. MAX RADIUS 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.