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| Item Name | Coupling Half Quick Disconnect |
| 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) | 00-640-1878 (006401878) |
| NCB Code | USA (00) |
| Manufacturer | Jaidinger Mfg Co Inc, Eaton Aeroquip Inc, Parker Hannifin Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 3991-12 | jaidinger mfg co inc | coupling half quick disconnect | RFQ |
| A145S4-16D | eaton aeroquip inc | coupling half quick disconnect | RFQ |
| 145S4-16D | eaton aeroquip inc | coupling half quick disconnect | RFQ |
| 44120-16B-N1 | parker hannifin corporation | coupling half quick disconnect | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A ALL ENDS |
| ABHP | OVERALL LENGTH | 3.131 INCHES NOMINAL |
| ADLN | QUICK DISCONNECT METHOD | QUICK LEAD THREAD ALL ENDS |
| AECS | BOLT HOLE QUANTITY | 6 |
| AGTA | BASIC SHAPE STYLE | ROUND FIRST QUICK DISCONNECT END |
| AHNC | CONNECTION STYLE | FLARED ALL ENDS |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| CBBL | FEATURES PROVIDED | SELF-SEALING |
| CMLP | THREAD QUANTITY PER INCH | 12 ALL ENDS |
| CQJX | NOMINAL THREAD SIZE | 1.312 INCHES ALL ENDS |
| CQKS | MOUNTING FLANGE LOCATION | FIRST LEG |
| CQRB | SEAT ANGLE | 37.0 DEGREES |
| CWCD | NOMINAL OUTSIDE DIAMETER | 2.750 INCHES |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | 0.201 INCHES |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | 2.375 INCHES |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | 1.000 INCHES ALL ENDS |
| FEAT | SPECIAL FEATURES | GRUMMAN AIRCRAFT CORP,A-10 AIRCRAFT MODEL |
| MATT | MATERIAL | ALUMINUM ALLOY BODY |
| SFTT | SURFACE TREATMENT | ANODIZE BODY |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL STD SINGLE TREATMENT RESPONSE BODY |
| STYL | STYLE DESIGNATOR | MALE COUPLING HALF |
| THSD | THREAD SERIES DESIGNATOR | UN ALL ENDS |
| Relevant Components for NSN - 4730-00-640-1878, 4730006401878 | ||||
| 4720-01-543-9256 (4720015439256) | 4710-00-020-8209 (4710000208209) | 4720-00-236-2575 (4720002362575) | 4730-01-600-6309 (4730016006309) | |
| 4720-01-428-9860 (4720014289860) | 4720-01-352-6034 (4720013526034) | 4730-00-554-8091 (4730005548091) | 4710-00-815-6041 (4710008156041) | |
| 4730-01-612-5310 (4730016125310) | 4730-01-199-6545 (4730011996545) | 4730-01-223-0532 (4730012230532) | 4710-00-276-3984 (4710002763984) | |
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