The Nut,cap, cataloged under National Stock Number 5310-01-026-3458, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-026-3458 |
| Primary Part Number | B-171-149 |
| Item Name | Nut,cap |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL; 2.250 IN. O/D; 2.500 IN. L; 2 IN.-16 UN THD 2B RH; 12 FLATS EVENLY SPACED 2.125 IN. ACROSS FLATS; 45 DEG ANGLE AT TOP IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B-171-149 PRIMARY | Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric (USA) |
| Reference | Meaning |
|---|---|
| D171-301-4PC8 | 5/9 Secondary reference Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric |
NSN 5310-01-026-3458 is a Nut,cap, manufactured by Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-026-3458 has 1 manufacturer part number on file: B-171-149 (Ge Steam Power Inc Dba Ge Steam Power, Inc Div General Electric).
Key specifications for B-171-149: General Characteristics Item Description: STEEL; 2.250 IN. O/D; 2.500 IN. L; 2 IN.-16 UN THD 2B RH; 12 FLATS EVENLY SPACED 2.125 IN. ACROSS FLATS; 45 DEG ANGLE AT TOP 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.