The Marker,identification, cataloged under National Stock Number 7690-01-281-6591, is classified within Federal Supply Class 7690 (Miscellaneous Printed Matter) of the Books, Maps, and Other Publications group. The manufacturer of record is Alpha Design Technologies Pvt Ltd. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 7690-01-281-6591 |
| Primary Part Number | 3-28-1051 |
| Item Name | Marker,identification |
| FSC / FSG | 7690 / 76 — Miscellaneous Printed Matter |
| Manufacturer | Alpha Design Technologies Pvt Ltd |
| Status | ACTIVE |
| Inscription Height | 0.250 INCHES NOMINAL AND 0.375 INCHES NOMINAL IN |
| Length | 3.000 INCHES NOMINAL IN |
| Inscription | RELIEF VALVE CAUTION PUSH BUTTON BEFORE UNLOCKING CASE; 2ND INSCRIPTION: ARROW POINTING DOWN |
| Marking Designation | SYMBOL AND LEGEND SINGLE SIDE |
| Basic Shape Style | RECTANGULAR |
| Color | RED FIRST SIDE INSCRIPTION BACKGROUND |
| Color | ALUMINUM FIRST SIDE INSCRIPTION |
| Environmental Protection | ABRASION RESISTANT AND SALT SPRAY RESISTANT AND WATER RESISTANT |
| Usage Form | SINGULAR |
| Width | 2.000 INCHES NOMINAL 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 |
|---|---|
| 3-28-1051 | Alpha Design Technologies Pvt Ltd (IND) |
| Reference | Meaning |
|---|---|
| 3281051 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 7690-01-281-6591 is a Marker,identification, manufactured by Alpha Design Technologies Pvt Ltd, classified under FSC 7690, Miscellaneous Printed Matter. Status: active.
NSN 7690-01-281-6591 has 1 manufacturer part number on file: 3-28-1051 (Alpha Design Technologies Pvt Ltd).
Key specifications for 3-28-1051: Inscription Height: 0.250 INCHES NOMINAL AND 0.375 INCHES NOMINAL IN; Length: 3.000 INCHES NOMINAL IN; Inscription: RELIEF VALVE CAUTION PUSH BUTTON BEFORE UNLOCKING CASE; 2ND INSCRIPTION: ARROW POINTING DOWN; Marking Designation: SYMBOL AND LEGEND SINGLE SIDE. 10 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.