4820-01-147-4951 ( 537A-4D-12 , GV500HW4A12-37 , 577A-4D-12 , GV500HW4A12-77 )
NSN Information
| NSN | FSC | NIIN | Item Name | INC |
|---|---|---|---|---|
| 4820-01-147-4951 | 4820 | 011474951 | VALVE,SAFETY RELIEF | 0548 |
NSN Features
| MRC | Parameter | Characteristics |
|---|---|---|
| AEHZ | MAXIMUM OPERATING TEMP | 250.0 DEG FAHRENHEIT SINGLE RESPONSE |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| MATT | MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| AAJD | THREAD CLASS | 3A 1ST END |
| AWLS | CONNECTION TYPE | THREADED EXTERNAL TUBE 1ST END |
| MEDA | MEDIA FOR WHICH DESIGNED | GAS, INERT 1ST RESPONSE |
| SFTT | SURFACE TREATMENT | ANODIZE |
| CQJX | NOMINAL THREAD SIZE | 0.438 INCHES 1ST END |
| AAJF | THREAD DIRECTION | RIGHT-HAND 1ST END |
| STYL | STYLE DESIGNATOR | ERR-090 |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| THSD | THREAD SERIES DESIGNATOR | UNF 1ST END |
| MEDA | MEDIA FOR WHICH DESIGNED | AMMONIA, GASEOUS 3RD RESPONSE |
| ADSU | DISK LOADING METHOD | SPRING |
| CSDC | OPENING PRESSURE SETTING | 12.0 POUNDS PER SQUARE INCH |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MEDA | MEDIA FOR WHICH DESIGNED | FUEL/OIL, HYDROCARBON 2ND RESPONSE |
| AHNC | CONNECTION STYLE | ERR-090 ERR-100 |
| CQGM | MAXIMUM OPERATING PRESSURE | 200.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |
| MEDA | MEDIA FOR WHICH DESIGNED | HYDROGEN 4TH RESPONSE |
Manufacturing Part Numbers (SKUs)
| Part SKU | Cage | Status | RNVC | RNCC | SADC | DAC | RNAAC |
|---|---|---|---|---|---|---|---|
| 537A-4D-12 | 91816 | A | 9 | 5 | E | AX | |
| GV500HW4A12-37 | 26512 | A | 9 | 5 | 6 | AX | |
| 577A-4D-12 | 91816 | A | 2 | 3 | 6 | AX | |
| GV500HW4A12-77 | 26512 | A | 2 | 5 | 6 | AX |
Manufacturers
| Part SKU | Cage | Manufacturer | Type | Status |
|---|---|---|---|---|
| 537A-4D-12 | 91816 | CIRCOR AEROSPACE INC. | F | A |
| GV500HW4A12-37 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORA | A | A |
| 577A-4D-12 | 91816 | CIRCOR AEROSPACE INC. | F | A |
| GV500HW4A12-77 | 26512 | NORTHROP GRUMMAN SYSTEMS CORPORA | A | A |
FLIS Identification
| PMIC | ADPE Code | CRITL Code | DEMIL Code | DEMIL INTG | NIIN Asgt | ESD | HMIC | ENAC | Schedule-B | INC |
|---|---|---|---|---|---|---|---|---|---|---|
| A | X | A | 02/17/1 | N | 8481400000 | 0548 |
FLIS Management
| MOE | REC Rep Code | Mgmt Ctl | USC | Phrase Code | Phrase Statement |
|---|---|---|---|---|---|
| DN | 9B----- | N | |||
| DS | I |
Demilitarization Codes & Management
| DML | PMI | HMIC | ADP | CC | ESDC |
|---|---|---|---|---|---|
| A | A | N | X |
Miscellaneous Management
| MOE (S_A) | SOS | AAC | QUP | UI | SLC | CIIC | RC | MCC | SVC |
|---|---|---|---|---|---|---|---|---|---|
| DS | SMS | Z | 1 | EA | 0 | U | D | ||
| DN | SMS | Z | 1 | EA | 0 | U | 9B----- | N |
Management Control Army
| MATCAT 1 | MATCAT 2 | MATCAT 3 | MATCAT 4 5 | ARC |
|---|
Freight
| NMFC | NMFC SUB | UFC | HMC | LTL | LCL | WCC | TCC | SHC | ADC | ACC | ASH | NMF DESC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 127220 | X | 64500 | P | 594 | Z | 9 | A | B | Z | PRESSURE REG/RED/RELIEF VALVES NOI |