National Stock Number (NSN) Output Data
NSN:
NIIN:
Item Name:
SCREW , CAP , SOCKET HEAD
Definition:
AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. THE HEAD HAS AN INTERNAL SOCKET OR MULTIPLE SPLINE FOR USE WITH AN INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES ITEMS WITH BEVEL (CONICAL) HEADS. SEE BOLT, INTERNAL WRENCHING. EXCLUDES SCREW, SHOULDER; AND SCREW, MACHINE.
Reference/Part Number
| Part Number | CAGE | Status | RNCC | RNVC | DAC | RNAAC | MSDS | SADC |
|---|---|---|---|---|---|---|---|---|
| FFS86 | 81348 | M | 4 | 1 | 4 | BD | ||
| 9976010-4 | 18876 | A | 3 | 2 | 1 | BD |
CAGE Information
| Code | Company |
|---|---|
| 18876 | U S ARMY AVIATION AND MISSILE COMMAN |
| 81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQHQ | MINIMUM YIELD STRENGTH | 130000 POUNDS PER SQUARE INCH |
| AAJD | THREAD CLASS | 3A |
| SFTT | SURFACE TREATMENT | CHROMATE ZINC OVERALL |
| AASB | FASTENER LENGTH | 2.625 INCHES NOMINAL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AHYM | NOMINAL THREAD DIAMETER | 0.164 INCHES |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | 1 TYPE |
| AASK | HEAD STYLE | FLAT CHAMFER |
| MATT | MATERIAL | STEEL OVERALL |
| AASA | THREAD LENGTH | 1.312 INCHES MINIMUM |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| ABQZ | INTERNAL DRIVE STYLE | HEXAGON |
| ASDB | WIDTH ACROSS FLATS | 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM |
| AASL | HEAD DIAMETER | 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.160 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 32 |