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 |
|---|---|---|---|---|---|---|---|---|
| 4491143-65 | 25685 | A | 5 | 2 | C | ZZ | ||
| FF-S-86 TYPE IV | 81348 | M | 4 | 1 | 3 | ZZ | ||
| 0.250-28UNF-2A X 0.500 | 80204 | A | 3 | 1 | G | ZZ | ||
| 7094234-4 | 53711 | A | 3 | 2 | C | ZZ |
CAGE Information
| Code | Company |
|---|---|
| 25685 | NAVAL SHIP ENGINEERING CENTER PHILAD |
| 81348 | FEDERAL SPECIFICATIONS PROMULGATED B |
| 80204 | AMERICAN NATIONAL STANDARDS INSTITUT |
| 53711 | NAVAL SEA SYSTEMS COMMAND |
Federal Supply Class
Title
SCREWS
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| MATT | MATERIAL | COPPER ALLOY OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-N-281, CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| AAJD | THREAD CLASS | 2A |
| CRSQ | COUNTERSINK ANGLE | 82.0 DEGREES NOMINAL |