National Item Identification Number

01-177-9937
011779937
5305-01-177-9937
5305011779937

National Stock Number

Item Name

SCREW,EXTERNALLY RELIEVED BODY

Federal Supply Class

5305

Description

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.

Commercial and Government Entity Code (Supplier Data)

---

69214

---

ADVANCED SYSTEMS SUPPLY INC
3311 AVE
HUNTINGTON STATION
NY
11746
631-226-8700

---

96214

---

---

Reference Numbers (Part Numbers)

2675085-1
2675085-1

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD QUANTITY PER INCH
THR

Required Description

UNF
0.250 INCHES
28
2A
RIGHT-HAND
0.180 INCHES NOMINAL
0.625 INCHES NOMINA