The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-632-7963, 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 Sps Technologies, Llc Dba Airdrome Precision Components. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-632-7963 |
| Primary Part Number | AS1037HR0404 |
| Item Name | Adapter,straight,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sps Technologies, Llc Dba Airdrome Precision Components |
| Status | ACTIVE |
| Flange Shape | HEXAGON CENTER BULKHEAD |
| Nominal Width Across Flats | 0.684 INCHES CENTER BULKHEAD IN |
| Surface Treatment Document and Classification | AMS 2700 TYPE 6 OR 7 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) FIRST END |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) SECOND END |
| Nominal Overall Length | 1.766 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | LONG W/ OFFSET WRENCHING FACILITY |
| Material Document and Classification | AMS 5645 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.4375 INCHES FIRST END IN |
| Nominal Thread Size | 0.4375 INCHES SECOND END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 20 FIRST END |
| Thread Quantity Per Inch | 20 SECOND END |
| Material | STEEL COMP 321 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| 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 |
|---|---|
| AS1037HR0404 PRIMARY | Sps Technologies, Llc Dba Airdrome Precision Components (USA) |
| AS1037HR0404 PRIMARY | Sae International Dba Sae International (USA) |
| AS1037HR0404 PRIMARY | Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco (USA) |
| AS1037HR0404 PRIMARY | Aerofit, Llc (USA) |
| Reference | Meaning |
|---|---|
| AS1037HR0404 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS4841 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS1037HR0404 | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
NSN 4730-01-632-7963 is a Adapter,straight,tube to Boss, manufactured by Sps Technologies, Llc Dba Airdrome Precision Components, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-632-7963 has 4 manufacturer part numbers on file: AS1037HR0404 (Sps Technologies, Llc Dba Airdrome Precision Components), AS1037HR0404 (Sae International Dba Sae International), AS1037HR0404 (Precision Aircraft Machining Company, Inc. Dba Pamco Div Precision Aircraft Machining Co Dba Pamco), AS1037HR0404 (Aerofit, Llc).
Key specifications for AS1037HR0404: Flange Shape: HEXAGON CENTER BULKHEAD; Nominal Width Across Flats: 0.684 INCHES CENTER BULKHEAD IN; Surface Treatment Document and Classification: AMS 2700 TYPE 6 OR 7 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED W/ GASKET SEAL (BOSS) FIRST END. 21 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.
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.