National Item Identification Number

00-283-7690
002837690
3940-00-283-7690
3940002837690

National Stock Number

Item Name

BLOCK,TACKLE

Federal Supply Class

3940

Description

A mechanical device, consisting of a pulley(s) or sheave(s) encased in a shell or frame which may be provided with a means such as a hook, eye, strap, screw, etc., by which it may be attached to an object. It is used to change direction of a running rope and/or to gain a mechanical advantage.

Commercial and Government Entity Code (Supplier Data)

---

75535

---

CROSBY GROUP INC
DBA CROSBY
2801 DAWSON RD
TULSA
OK
74110
918-834-4611

---

76257

---

CROSBY GROUP INC THE
MCKISSICK PLANT DIV
2801 DAWSON RD
TULSA
OK
74110
918-834-4611

---

76257

---

CROSBY GROUP INC THE
MCKISSICK PLANT DIV
2801 DAWSON RD
TULSA
OK
74110
918-834-4611

---

75535

---

CROSBY GROUP INC
DBA CROSBY
2801 DAWSON RD
TULSA
OK
74110
918-834-4611

---

53711

---

---

53711

---

---

Reference Numbers (Part Numbers)

108065
2624747
418
418 4 1/2 INCH
481
6405291
752-6405291-69

Required Categories

STYLE DESIGNATOR
SHELL LENGTH
SHEAVE OUTSIDE DIAMETER
BLOCK TYPE
LOCKING STY

Required Description

29 OVAL PATTERN
7.375 INCHES MINIMUM AND
7.625 INCHES MAXIMUM
4.125 INCHES MI