The Adapter,straight,pipe to Tube, cataloged under National Stock Number 4730-00-618-2952, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 17 specifications, 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-618-2952 |
| Primary Part Number | 9956273 |
| Item Name | Adapter,straight,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | CANCELLED |
| Furnished Items and Quantity | 1 SHORT COUPLING NUT AND 1 COMPRESSION SLEEVE |
| Connection Style | COMPRESSION (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Seat Nominal Radius | 0.063 INCHES FIRST END IN |
| Nominal Overall Length | 1.100 INCHES IN |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material Document and Classification | QQ-B-626,COMP 22,1/2 HARD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Thread Size | 0.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Class | 2A FIRST END A |
| Thread Quantity Per Inch | 24 FIRST END |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPTF SECOND END |
| Thread Series Designator | UNS FIRST 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 |
|---|---|
| 9956273 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 9956273 | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 9956273 | 5/9 Secondary reference Euclid Inc |
| 9231887 | 5/9 Secondary reference Euclid Inc |
| 68CA-4-2 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division |
| 9231887 | 5/9 Secondary reference U.S. Government activity |
| 681X4 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 9956273 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 68CA-4-2 | 5/2 Secondary reference U.S. Government activity |
| 4730006182952 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 9956273 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-618-2952 is a Adapter,straight,pipe to Tube, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
NSN 4730-00-618-2952 has 2 manufacturer part numbers on file: 9956273 (U S Army Tank Automotive Command Amsta-Im-Mm), 9956273 (Danfoss Power Solutions II, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-219-5019. Verify interchangeability with system specifications before substitution.
Key specifications for 9956273: Furnished Items and Quantity: 1 SHORT COUPLING NUT AND 1 COMPRESSION SLEEVE; Connection Style: COMPRESSION (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Seat Nominal Radius: 0.063 INCHES FIRST END IN. 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 4730-00-618-2952 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.