The Helmet Display Unit, cataloged under National Stock Number 1270-01-252-0008, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-252-0008 |
| Item Name | Helmet Display Unit |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Status | ACTIVE |
| General Characteristics Item Description | PARTS,CONSISTING OF:KNOB,ROTATING-1;SPRING,HDU-1;CLIP,HDU ASSY-1;COVER,ELBOW-1;ELBOW-1;SPRING-1;PLATE-1;BARREL,UPPER-1;RING,FOCUS-1;RING LOCKING-1;SLEEVE,OUTER-CRT-1;CYLINDER,CRT-1;CYLINDER,UPPER BARREL-1;DUST LENS,SIMULATED HDU-1;SPOOL,SIMULATED HDU-1;APERATURE,SIMULATED HDU-1;COMBINER ASSY 1;MIRROR-1;NAMEPLATE-1;SEAL,GASKET-1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10106985-102 | 3/2 Design control — primary reference U.S. Government activity |
| 10106985-101 | 5/9 Secondary reference U.S. Government activity |
NSN 1270-01-252-0008 is a Helmet Display Unit, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
Key specifications for 1270-01-252-0008: General Characteristics Item Description: PARTS,CONSISTING OF:KNOB,ROTATING-1;SPRING,HDU-1;CLIP,HDU ASSY-1;COVER,ELBOW-1;ELBOW-1;SPRING-1;PLATE-1;BARREL,UPPER-1;RING,FOCUS-1;RING LOCKING-1;SLEEVE,OUTER-CRT-1;CYLINDER,CRT-1;CYLINDER,UPPER BARREL-1;DUST LENS,SIMULATED HDU-1;SPOOL,SIMULATED HDU-1;APERATURE,SIMULATED HDU-1;COMBINER ASSY 1;MIRROR-1;NAMEPLATE-1;SEAL,GASKET-1. 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.
NSN 1270-01-252-0008 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.