The Coolant Unbuffered, cataloged under National Stock Number 1270-01-323-3639, is classified within Federal Supply Class 1270 (Aircraft Gunnery Fire Control Components) of the Fire Control Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1270-01-323-3639 |
| Primary Part Number | 11200123-7 |
| Item Name | Coolant Unbuffered |
| FSC / FSG | 1270 / 12 — Aircraft Gunnery Fire Control Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11200123-7 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 60710999-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| ILS108-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 60710999-3 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1270-01-323-3639 is a Coolant Unbuffered, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1270, Aircraft Gunnery Fire Control Components. Status: active.
NSN 1270-01-323-3639 has 1 manufacturer part number on file: 11200123-7 (Northrop Grumman Systems Corporation).
Key specifications for 11200123-7: End Item Identification: MAST MOUNTED SIGHT, 1260-01-208-6448. 0 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.
NSN 1270-01-323-3639 has DEMIL Code B. 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.