National Item Identification Number

00-237-5392

National Stock Number

Item Name

NUT,PLAIN,HEXAGON

Federal Supply Class

5310

Description

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Commercial and Government Entity Code (Supplier Data)

---

1P555

---

PRECISION COMPONENTS CORPORATION
500 LINCOLN STREET
YORK
PA
17404
717-848-1126

---

92439

---

THE BABCOCK & WILCOX COMPANY
DIV SALES & SERVICE
20 S VAN BUREN AVE
BARBERTON
OH
44203
800-354-4400

---

92439

---

THE BABCOCK & WILCOX COMPANY
DIV SALES & SERVICE
20 S VAN BUREN AVE
BARBERTON
OH
44203
800-354-4400

---

1P555

---

PRECISION COMPONENTS CORPORATION
500 LINCOLN STREET
YORK
PA
17404
717-848-1126

---

Reference Numbers (Part Numbers)

1561D200-211
21780FMK211
21780FPC211
51561D200-211

Required Categories

REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS
CRITICALITY CODE JUSTIFICATION

Required Description

MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH
ACTIVITY HX QUALITY CONTROL, MA