| Item Name | Elbow Boss |
| Federal Supply Group (FSG) | Pipe Tubing Hose and Fittings |
| Federal Supply Class (FSC) | 4730 Hose Pipe Tube Lubrication and Railing Fittings |
| National Item Identification Number (NIIN) | 00-277-1921 (002771921) |
| NCB Code | USA (00) |
| Manufacturer | Crown Fitting Co Inc, Satair Usa Inc, Aeronautical Standards Group, Aerofit Inc, Collins Engineering Corp, Inspektorat Wsparcia Sil Zbrojnych, Society Of Automotive Engineers Inc, Hydro Fitting Manufacturing Corp, Eaton Aeroquip Inc, Designed Metal Connections Inc, Allan Aircraft Supply Co Llc, Faber Enterprises Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| AN939-4 | crown fitting co inc | elbow boss | RFQ |
| AN939-4 | satair usa inc | elbow boss | RFQ |
| AN934-4 | aeronautical standards group | elbow boss | RFQ |
| AN939-4 | aerofit inc | elbow boss | RFQ |
| AN939-4 | collins engineering corp | elbow boss | RFQ |
| 4730PL0965831 | inspektorat wsparcia sil zbrojnych | elbow boss | RFQ |
| AS5190 | society of automotive engineers inc | elbow boss | RFQ |
| AN939-4 | hydro fitting manufacturing corp | elbow boss | RFQ |
| AN939-4 | eaton aeroquip inc | elbow boss | RFQ |
| AS4875 | society of automotive engineers inc | elbow boss | RFQ |
| AS5190-04 | society of automotive engineers inc | elbow boss | RFQ |
| AN939-4 | designed metal connections inc | elbow boss | RFQ |
| AN939-4 | aeronautical standards group | elbow boss | RFQ |
| AN939-4 | allan aircraft supply co llc | elbow boss | RFQ |
| AN939-4 | faber enterprises inc | elbow boss | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3B ALL ENDS |
| AGAV | END ITEM IDENTIFICATION | GRUMMAN A10 AIRCRAFT |
| AHNC | CONNECTION STYLE | GASKET SEAL (BOSS) ALL ENDS |
| AHSJ | LEG LENGTH | 0.750 INCHES NOMINAL 1ST END |
| AKGF | NOMINAL WIDTH | 0.744 INCHES 1ST END |
| AWLS | CONNECTION TYPE | THREADED INTERNAL BOSS ALL ENDS |
| CMLP | THREAD QUANTITY PER INCH | 20 ALL ENDS |
| CQGM | MAXIMUM OPERATING PRESSURE | 3000.00 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| CQJX | NOMINAL THREAD SIZE | 0.4375 INCHES 1ST END |
| CRFY | FLOW ANGLE | 90.0 DEGREES |
| CWDW | NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED | 0.250 INCHES 1ST END |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | FITTING,ELBOW 90(DEGREES),INTERNAL STRAIGHT THREAD PORT |
| MATT | MATERIAL | STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| SPCL | SPECIAL TEST FEATURES | MATERIAL: 4130 CARBON STEEL FORGING OR BAR PER AMS-S-6758 OR AMS 6370,OR TYPE 4140 PER AMS 6382,FINISH:CADMIUM PLATE PER QQ-P-416,TYPE II,CLASS 2,DYE BLACK AND COAT WITH A LIGHT FILM OF OIL PER PROCUREMENT SPECIFICATION |
| THSD | THREAD SERIES DESIGNATOR | UNJF ALL ENDS |
| ZZZK | SPECIFICATION/STANDARD DATA | 88044-AN939 GOVERNMENT STANDARD |
| Relevant Components for NSN - 4730-00-277-1921, 4730002771921 | ||||
| 4730-01-436-2114 (4730014362114) | 4710-01-202-7787 (4710012027787) | 4720-01-526-5273 (4720015265273) | 4720-01-408-1219 (4720014081219) | |
| 4730-01-622-4160 (4730016224160) | 4720-01-589-9450 (4720015899450) | 4720-01-201-5242 (4720012015242) | 4730-00-409-1688 (4730004091688) | |
| 4720-01-137-0340 (4720011370340) | 4710-01-512-8267 (4710015128267) | 4720-01-703-1112 (4720017031112) | 4730-01-478-4701 (4730014784701) | |
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