National Item Identification Number

00-453-3599
004533599
5305-00-453-3599
5305004533599

National Stock Number

Item Name

SCREW,MACHINE

Federal Supply Class

5305

Description

An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below No. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal 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. Excludes BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; and SCREW, ASSEMBLED WASHER. See also, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; and SCREW, CAP SOCKET HEAD.

Commercial and Government Entity Code (Supplier Data)

---

K7766

---

BRITISH STANDARDS INSTITUTION
389 CHISICK HIGH ROAD
LONDON
W4 4AL
UNITED KINGDOM
0208 996 9000

---

K7766

---

BRITISH STANDARDS INSTITUTION
389 CHISICK HIGH ROAD
LONDON
W4 4AL
UNITED KINGDOM
0208 996 9000

---

K0663

---

FERRANTI TECHNOLOGIES LTD
CAIRO HOUSE
WATERHEAD, OLDHAM
OL4 3JA
UNITED KINGDOM
0161 624 0281

---

Reference Numbers (Part Numbers)

A31A6
BSA31A6
21630-134

Required Categories

THREAD SERIES DESIGNATOR
NOMINAL THREAD DIAMETER
THREAD PITCH IN MILLIMETERS;

Required Description

BA
2.8 MILLIMETERS
0.53
RIGHT-HAND
0.157 INCHES MINIMUM AND
0.208 INCHES MA