The Grille,metal, cataloged under National Stock Number 5670-01-156-6754, is classified within Federal Supply Class 5670 (Building Components, Prefabricated) of the Construction and Building Materials group. The manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 7 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5670-01-156-6754 |
| Primary Part Number | 131408-1 |
| Item Name | Grille,metal |
| FSC / FSG | 5670 / 56 — Building Components, Prefabricated |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Mounting Hole Quantity | 16 |
| Frame Opening Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.233 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Shape | ROUND |
| Frame Type | FLAT |
| Frame Overall Diameter | 4.500 INCHES NOMINAL IN |
| Frame Overall Thickness | 0.100 INCHES MINIMUM 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 |
|---|---|
| 131408-1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5670-01-156-6754 is a Grille,metal, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5670, Building Components, Prefabricated. Status: active.
NSN 5670-01-156-6754 has 1 manufacturer part number on file: 131408-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-367-7946. Verify interchangeability with system specifications before substitution.
Key specifications for 131408-1: Mounting Hole Quantity: 16; Frame Opening Diameter: 3.500 INCHES NOMINAL IN; Mounting Hole Diameter: 0.233 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Shape: ROUND. 7 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.