Part Number
Part Number:
NSN:
NIIN:
Item Name:
PLUG , FUSIBLE
Definition:
AN EXTERNALLY THREADED CYLINDRICAL ITEM, USUALLY CONTAINING A FUSIBLE CORE, OR A TAPERED SMOOTH FINISHED PRESS-IN INSERT MADE ENTIRELY OF METALLIC EUTECTIC SUBSTANCE. IF WITHOUT CORE, THE ITEM MAY BE MACHINED INTERNALLY OR HAVE PROVISIONS TO ACCOMODATE SAME. IT IS A SAFETY DEVICE FOR AIRCRAFT WHEELS (PREVENTS HEAT INDUCED TIRE EXPLOSION), BOILERS, COMPRESSORS, AND SIMILAR EQUIPMENT.
CAGE Information
| Code | Company |
|---|---|
| 58553 | SUPERIOR VALVE CO |
Federal Supply Class
Title
HARDWARE, COMMERCIAL
Inclusions:
INCLUDES ACCESS COVERS; BUMPERS; CASTERS; CABINET AND DOOR HARDWARE; CLEVISES; HINGES; LATCHES; STRAPS AND STRAPPING; TURNBUCKLES; WEBBED STRAPS.
Exclusions:
EXCLUDES WEAPONS SYSTEM HARDWARE (FSC 5342).
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| ZZZT | NONDEFINITIVE SPEC/STD DATA | MS16993-2 REFERENCE NUMBER |
| CBBT | BLOWOFF LINE THREAD LOCATION | EXTERNAL |
| AKMH | CORE DIAMETER | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| CBBS | BLOWOFF LINE THREAD SIZE AND SERIES/TYPE DESIGNATOR | 5/8-18 UNF |
| FEAT | SPECIAL FEATURES | CORE MATERIAL BISMUTH OR TIN OR LEAD; CORE INCLUDED; CASING MATERIAL BRASS QQ-B-626 ALLOY 360; HEAT NUMBER STAMPED ON CORE INCLUDED; BLOWLINE TYPE THREADED |
| CBBY | CORE FUSING TEMP RATING | 208.0 DEG FAHRENHEIT AND 220.0 DEG FAHRENHEIT |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | 3/8-18 NPT |
| CBBQ | BLOWOFF LINE ATTACHMENT PROVISION | INCLUDED |
| BPJZ | USAGE LOCATION | INSIDE |