National Stock Number (NSN) Output Data
Definition:
A CYLINDRICAL ITEM WHICH MAY HAVE WRENCHING AND/OR DRIVING FACILITIES AND/OR SHOULDERS. IT IS DESIGNED TO BE INSERTED IN A DRILLED OR A PRETAPPED HOLE, OR MOLDED OR PRESSED INTO SOFT MATERIAL TO REDUCE THE SIZE OF A TAPPED HOLE; TO PROVIDE THREADS; TO ADD STRENGTH, AND/OR TO PREVENT STRIPPING. IT IS ONE OF THE FOLLOWING: (1) A ONE-PIECE, FLANGED OR UNFLANGED, INTERNALLY THREADED ITEM WHICH MAY HAVE EXTERNAL THREADS, AND/OR SERRATIONS AROUND THE PERIPHERY OF THE COLLAR, DESIGNED TO ENGAGE A SERRATED LOCK RING WHICH IS NOT INCLUDED WITH THE ITEM; (2) A ONE-PIECE PRECISION COILED WIRE; (3) A TWO-PIECE ITEM CONSISTING OF AN INTERNALLY THREADED CYLINDER AND A MATING EXTERNALLY THREADED PART; OR (4) A ONE-PIECE INTERNALLY THREADED ITEM WHOSE OUTSIDE DIAMETER IS TAPERED AND/OR KNURLED AND/OR WITH FIN(S). THE INTERNAL THREAD OF THE ITEM MAY HAVE A LOCKING FEATURE. EXCLUDES ITEMS HAVING A SLEEVE ON ITS UNDERPORTION WHICH CAN BE CLINCHED OR CRIMPED. EXCLUDES BUSHING, MACHINE THREAD; NUT, PLAIN, KNURLED; NUT, PLAIN, ROUND; NUT, PLAIN, CLINCH AND NUT, SELF-LOCKING, CLINCH. SEE ALSO NUT, PLAIN, PLATE.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| L258-1-6 | 01556 | A | 5 | 9 | X | XX | ||
| 951B-5CS0375 | 01556 | A | 3 | 9 | 1 | CT |
CAGE Information
| Code | Company |
|---|---|
| 01556 | EMHART TEKNOLOGIES LLC DBA EMHART FA |
Federal Supply Class
Title
FASTENING DEVICES
Inclusions:
INCLUDES EYELETS; GROMMETS; AIRCRAFT COWLING FASTENERS; TEXTILE FASTENERS; RETAINING RINGS; THREADED INSERTS.
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| BZYC | TOP UNTHREADED PORTION OUTSIDE DIAMETER | 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| ABRY | LENGTH | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 4140 OVERALL |
| BZYD | TOP PORTION UNTHREADED OUTSIDE LENGTH | 0.047 INCHES MINIMUM AND 0.057 INCHES MAXIMUM |
| STYL | STYLE DESIGNATOR | PLAIN |
| BZGJ | INSERT SIZE | 1/2 IN.-13 UNC CLASS 3A THD OR CLASS 3 FIT |
| CBBL | FEATURES PROVIDED | INDIVIDUALLY KEYED |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |