The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-00-334-7840, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is St Engineering Land Systems Ltd. Div Kinetics Design Manufacturing. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-334-7840 |
| Primary Part Number | 2022-4-6S |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | St Engineering Land Systems Ltd. Div Kinetics Design Manufacturing |
| Status | CANCELLED |
| Furnished Items and Quantity | 1 PREFORMED PACKING |
| Surface Treatment Document and Classification | J514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 1.400 INCHES IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Operating Pressure | 4000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Specification/standard Data | 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Maximum Operating Temp | 400.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nondefinitive Spec/std Data | 2D FIGURE |
| Thread Class | 2A SECOND END A |
| Material | STEEL OVERALL |
| Thread Series Designator | NPTF FIRST END |
| Thread Series Designator | UNF SECOND END |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2022-4-6S | St Engineering Land Systems Ltd. Div Kinetics Design Manufacturing (SGP) |
| 1018751S | Fmc Corp (USA) |
| 2022-4-6S | Danfoss Power Solutions II, Llc (USA) |
| 1018751S | Amz Alabama Inc. (USA) |
| 105576734 | General Dynamics Land Systems Canadacorp (CAN) |
| 0203-4-6 | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| Reference | Meaning |
|---|---|
| 671X64 | 5/9 Secondary reference Joy Global Underground Mining Llc |
| 5887-6S | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 0203-4-6 | 5/9 Secondary reference U.S. Government activity |
| 624VLJ00042 | 5/9 Secondary reference Arrow-Master, Incorporated |
| 4730003347840 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 9402747 | 5/9 Secondary reference General Motors Corp |
| 4F6JMS | 5/9 Secondary reference Contitech Usa, Inc. |
| J514 | 5/9 Secondary reference U.S. Government activity |
| TC15-1077 | 5/9 Secondary reference Anthony York Co |
| 1018751S | 5/2 Secondary reference U.S. Government activity |
| 6-4 070103C | 5/9 Secondary reference U.S. Government activity |
| 13218E0181-7 | 3/2 Design control — primary reference U.S. Government activity |
| 229-516-1228899REVAPC16 | 5/9 Secondary reference U.S. Government activity |
| 4F6JMS | 5/9 Secondary reference Anchor Swan Corp Sub of Amerace Corp |
| 907244-64 | 5/9 Secondary reference Joy Global Underground Mining Llc |
| C5255X6 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| J514 | 5/1 Secondary reference Sae International Dba Sae International |
NSN 4730-00-334-7840 is a Adapter,straight,pipe to Boss, manufactured by St Engineering Land Systems Ltd. Div Kinetics Design Manufacturing, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
NSN 4730-00-334-7840 has 6 manufacturer part numbers on file: 2022-4-6S (St Engineering Land Systems Ltd. Div Kinetics Design Manufacturing), 1018751S (Fmc Corp), 2022-4-6S (Danfoss Power Solutions II, Llc), 1018751S (Amz Alabama Inc.), 105576734 (General Dynamics Land Systems Canadacorp) and 1 more.
1 possible match (shared part number, not a government interchangeability claim): 6515-01-496-1106. Verify interchangeability with system specifications before substitution.
Key specifications for 2022-4-6S: Furnished Items and Quantity: 1 PREFORMED PACKING; Surface Treatment Document and Classification: J514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED W/ GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 17 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 4730-00-334-7840 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.