National Item Identification Number

01-351-3515
013513515
5305-01-351-3515
5305013513515

National Stock Number

Item Name

SCREW,CAP,SOCKET HEAD

Federal Supply Class

5305

Description

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.

Commercial and Government Entity Code (Supplier Data)

---

70318

---

---

04614

---

---

49956

---

---

80070

---

---

Reference Numbers (Part Numbers)

4-40UNC3A-1/4
6481-354120-1
6481-354120-1
6481-354120-1

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNC
0.112 INCHES
40
2A
RIGHT-HAND
0.200 INCHES NOMINAL
0.250 INCHES NOMINA