The Gage,setting, cataloged under National Stock Number 4931-00-026-6299, is classified within Federal Supply Class 4931 (Fire Control Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 4931-00-026-6299 |
| Primary Part Number | 684405 |
| Item Name | Gage,setting |
| FSC / FSG | 4931 / 49 — Fire Control Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,QQ-T-570,HARDENED AND GROUND,ROCKWELL C 58-62,2 3/4 IN LONG 1 IN WIDE 3/4 IN HIGH,.3120 DIA MUST BE CENTRAL TO BOTH .2345 .2347 SLOTS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4931-00-026-6299 is a Gage,setting, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4931, Fire Control Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4931-00-026-6299 has 2 manufacturer part numbers on file: 684405 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), T-100783 (Lockheed Martin Corporation Div Rms - Mitchel Field).
1 possible match (shared part number, not a government interchangeability claim): 5905-01-053-1180. Verify interchangeability with system specifications before substitution.
Key specifications for 684405: General Characteristics Item Description: STEEL,QQ-T-570,HARDENED AND GROUND,ROCKWELL C 58-62,2 3/4 IN LONG 1 IN WIDE 3/4 IN HIGH,.3120 DIA MUST BE CENTRAL TO BOTH .2345 .2347 SLOTS IN. 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 4931-00-026-6299 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.