The Bolt,pontoon Assembly, cataloged under National Stock Number 2040-00-491-9930, is classified within Federal Supply Class 2040 (Marine Hardware and Hull Items) of the Ship and Marine Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2040-00-491-9930 |
| Item Name | Bolt,pontoon Assembly |
| FSC / FSG | 2040 / 20 — Marine Hardware and Hull Items |
| Status | ACTIVE |
| General Characteristics Item Description | CARBON STEEL,UNFINISHED,105000 PSI MIN. TENSILE STRENGTH,HEXAGONHEAD,2-3/8 IN. W ACROSS FLATS,1-1/2 IN. DIA.,6 THDS PER IN.,VNC,CLASS2A,2-1/2 IN. THD LG,3-3/8 IN. LG UNDER BOLT HEAD,THD END IS FLAT W/A 30TO 35 DEG CHAMFER AROUND END OF THDS,USED FOR SECURING ANGLES,PLATES,DECKFITTINGS,BOLT HEAD SHALL BE MARKED W/3 RADIAL LINES 120 DEG APART,NAVFACDWG NO. 879116,MARK NO. A6B IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6138982-75 | 5/2 Secondary reference U.S. Government activity |
| 6139111 FIND 20 | 3/2 Design control — primary reference U.S. Government activity |
| 6139056-23 | 5/2 Secondary reference U.S. Government activity |
| 6138986-24 | 5/2 Secondary reference U.S. Government activity |
| 6139110 FIND 20 | 3/2 Design control — primary reference U.S. Government activity |
| 6139112 FIND 20 | 3/2 Design control — primary reference U.S. Government activity |
| 6138999 FIND 16 | 3/2 Design control — primary reference U.S. Government activity |
| 6139039-34 | 5/2 Secondary reference U.S. Government activity |
| 879116A6B | 5/9 Secondary reference U.S. Government activity |
| 6139109 FIND 20 | 3/2 Design control — primary reference U.S. Government activity |
| 6138923-56 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2040-00-491-9930 is a Bolt,pontoon Assembly, classified under FSC 2040, Marine Hardware and Hull Items. Status: active.
Key specifications for 2040-00-491-9930: General Characteristics Item Description: CARBON STEEL,UNFINISHED,105000 PSI MIN. TENSILE STRENGTH,HEXAGONHEAD,2-3/8 IN. W ACROSS FLATS,1-1/2 IN. DIA.,6 THDS PER IN.,VNC,CLASS2A,2-1/2 IN. THD LG,3-3/8 IN. LG UNDER BOLT HEAD,THD END IS FLAT W/A 30TO 35 DEG CHAMFER AROUND END OF THDS,USED FOR SECURING ANGLES,PLATES,DECKFITTINGS,BOLT HEAD SHALL BE MARKED W/3 RADIAL LINES 120 DEG APART,NAVFACDWG NO. 879116,MARK NO. A6B 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.
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.