The Cap,filler Opening, cataloged under National Stock Number 5340-01-115-6742, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions. Government technical data includes 8 specifications, 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through both NSN and commercial part number lookups. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-115-6742 |
| Primary Part Number | 210051B1 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| Status | ACTIVE |
| Accommodation Type | WING GRIP END GRIPPING |
| Thread Length | 0.312 INCHES NOMINAL IN |
| Style Designator | NON-VENTED THREADED TYPE (EXTERNAL) |
| Thread Diameter | 1.250 INCHES NOMINAL IN |
| Outside Diameter | 1.469 INCHES NOMINAL IN |
| System for Which Designed | NONPRESSURIZED |
| Material | STEEL OVERALL |
| Thread Series Designator | NPT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 210051B1 PRIMARY | Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 3007455 | 3/2 Design control — primary reference U.S. Government activity |
| 200114L PC808 | 5/9 Secondary reference U.S. Government activity |
| 200114L | D/9 Drawing number reference only U.S. Government activity |
| 3007455 | 5/9 Secondary reference U.S. Government activity |
| 156407PC10 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. Dba Dresser-Rand |
| 210051B1 | 5/9 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| 3008B | 5/9 Secondary reference U.S. Government activity |
| 156407PC10 | 5/9 Secondary reference U.S. Government activity |
| 200114L PC808 | 5/9 Secondary reference U.S. Government activity |
| 3008B | 5/9 Secondary reference U.S. Government activity |
| 156407PC10 | 5/9 Secondary reference U.S. Government activity |
| 200114L PC808 | C/1 Advisory reference — outside the item-of-supply concept Siemens Energy, Inc. Dba Dresser-Rand |
| 156407PC10 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
NSN 5340-01-115-6742 is a Cap,filler Opening, manufactured by Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-115-6742 has 1 manufacturer part number on file: 210051B1 (Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions).
1 possible match (shared part number, not a government interchangeability claim): 6350-01-305-4910. Verify interchangeability with system specifications before substitution.
Key specifications for 210051B1: Overall Height: 1.260 INCHES NOMINAL IN; Accommodation Type: WING GRIP END GRIPPING; Thread Length: 0.312 INCHES NOMINAL IN; Style Designator: NON-VENTED THREADED TYPE (EXTERNAL). 8 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.