The Adapter,indicator, cataloged under National Stock Number 5999-01-623-6883, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-623-6883 |
| Primary Part Number | H821-0841-2L1 |
| Item Name | Adapter,indicator |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | S |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| H821-0841-2L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 799-7072841-2L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402817-1L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 799-7072841-2 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402817-1 | 5/1 Secondary reference Naval Sea Systems Command |
| H821-0841-2 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5999-01-623-6883 is a Adapter,indicator, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-623-6883 has 3 manufacturer part numbers on file: H821-0841-2L1 (Naval Inventory Control Point Mechanicsburg), 799-7072841-2L1 (Naval Inventory Control Point Mechanicsburg), 751-6402817-1L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for H821-0841-2L1: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: PRESSURE/VELOCITY PISTOL LIGHT INDICATOR ADAPTER; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL 1 ITEMS. 2 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.