The Guard,hand,gun, cataloged under National Stock Number 1005-01-687-3602, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Sig Sauer Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1005-01-687-3602 |
| Primary Part Number | HGRD-MCX-R55-MLOK-BLK |
| Item Name | Guard,hand,gun |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Sig Sauer Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 0798681610778 | Sig Sauer Inc. (USA) |
| HGRD-MCX-R55-MLOK-BLK PRIMARY | Sig Sauer Inc. (USA) |
| ES-VPU-HGRD-MCX-R55-MLOK-BLK | Viatorplusultra SL (ESP) |
| Reference | Meaning |
|---|---|
| 2401553-01 | 3/9 Design control — primary reference Sig Sauer Inc. |
| 2401553-01-R | C/1 Advisory reference — outside the item-of-supply concept Sig Sauer Inc. |
NSN 1005-01-687-3602 is a Guard,hand,gun, manufactured by Sig Sauer Inc., classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-687-3602 has 3 manufacturer part numbers on file: 0798681610778 (Sig Sauer Inc.), HGRD-MCX-R55-MLOK-BLK (Sig Sauer Inc.), ES-VPU-HGRD-MCX-R55-MLOK-BLK (Viatorplusultra SL).
1 possible match (shared part number, not a government interchangeability claim): 1005-01-719-7785. Verify interchangeability with system specifications before substitution.
Key specifications for HGRD-MCX-R55-MLOK-BLK: Part Name Assigned by Controlling Agency: HANDGUARD, LOW PROFILE, GEN 2, PDW, M-LOK, BLK; End Item Identification: SIG MCX 851. 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 1005-01-687-3602 has DEMIL Code Q. 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.