The Clamp,block, cataloged under National Stock Number 5340-01-620-2271, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-620-2271 |
| Primary Part Number | G220-1505 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 22 |
| Clamping Hole Quantity | 22 |
| Supplementary Features | SECTIONS DIMENSIONS: G220-1505-1 (0.438 X 0.500 X 2.063 IN.) + G220-1505-2 (0.750 X 0.500 X 2.063 IN.) + G220-1505-3 (0.563 X 0.500 X 2.063 IN.) IN |
| Style Designator | RECTANGULAR |
| Material Document and Classification | MIL-P-15035 TYPE FBM MIL SPEC ALL MATERIAL RESPONSES |
| Mounting Hole Diameter | 0.190 INCHES MINIMUM AND 0.190 INCHES MINIMUM AND 0.196 INCHES MAXIMUM0.196 INCHES MAXIMUM IN |
| Center to Center Distance Between First and Third Mounting Holes | 1.438 INCHES NOMINAL1.438 INCHES NOMINAL IN |
| Clamping Hole Diameter | 0.375 INCHES NOMINAL FIRST HOLE IN |
| Clamping Hole Diameter | 0.625 INCHES NOMINAL SECOND HOLE IN |
| Distance From Center of Mounting Hole to Edge Along the Width | 0.188 INCHES NOMINAL0.188 INCHES NOMINAL IN |
| Distance From End to First Mounting Hole Center | 0.250 INCHES NOMINAL IN |
| Mounting Facility | UNTHREADED HOLE(S)UNTHREADED HOLE(S) |
| Material | PLASTIC PHENOLIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| G220-1505 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| G220-1505 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation |
NSN 5340-01-620-2271 is a Clamp,block, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-620-2271 has 1 manufacturer part number on file: G220-1505 (Northrop Grumman Systems Corporation).
Key specifications for G220-1505: Mounting Hole Quantity: 22; Overall Height: 1.813 INCHES NOMINAL1.813 INCHES NOMINAL IN; Clamping Hole Quantity: 22; Supplementary Features: SECTIONS DIMENSIONS: G220-1505-1 (0.438 X 0.500 X 2.063 IN.) + G220-1505-2 (0.750 X 0.500 X 2.063 IN.) + G220-1505-3 (0.563 X 0.500 X 2.063 IN.) IN. 13 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.