The Adapter,straight,flange to Boss, cataloged under National Stock Number 4730-01-310-4685, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-310-4685 |
| Primary Part Number | 60221-102 |
| Item Name | Adapter,straight,flange to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Flange Shape | RECTANGULAR WITH HOLES FIRST END |
| Flange Face Design | RAISED STRAIGHT FIRST END |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Nominal Length | 1.200 INCHES FIRST END IN |
| Nominal Overall Length | 0.990 INCHES IN |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Connection Type | FLANGE FIRST END |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bolt Hole Nominal Diameter | 0.062 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES SECOND END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.200 INCHES FIRST END IN |
| Bolt Hole Quantity | 4 FIRST END |
| Nominal Width | 1.500 INCHES FIRST END IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 0.900 INCHES FIRST END IN |
| Thread Class | 3B SECOND END |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Raised Face Nominal Diameter | 0.270 INCHES FIRST END IN |
| Raised Face Nominal Height | 0.065 INCHES FIRST END IN |
| Nominal Thickness | 0.150 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4730-01-310-4685 is a Adapter,straight,flange to Boss, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-310-4685 has 2 manufacturer part numbers on file: 60221-102 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 60221-102 (Bae Systems (operations) Limited).
Key specifications for 60221-102: Flange Shape: RECTANGULAR WITH HOLES FIRST END; Flange Face Design: RAISED STRAIGHT FIRST END; Connection Style: GASKET SEAL (BOSS) SECOND END; Nominal Length: 1.200 INCHES FIRST END IN. 20 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.