Tackle Block

NSN: 3940-00-053-8890 | Model: 3940BL0AL720

A mechanical device, consisting of a pulle (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.

NSN Properties and Flags

NATO Stock Number

3940-00-053-8890

DEMIL

Bearing Type

Plain

Block Type

Regular

Sheave Quantity

Tackle Accommodated Type

Wire rope

Antitoppling Device

Not included

Sheave Outside Diameter

20.000 inches

Center Pin Diameter

2.500 inches

Sheave Bearing Lubrication Method

Self-lubricated

Maximum Tackle Diameter Accommodated

1.125 inches

Tackle Locking Device

Not included

Attachment Style

Oblong link

Material And Location

Bronze sheave

Special Features

W/ four eared reverse shackel

Style Designator

Oval pattern

Pricing and Availability

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Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 3940-00-053-8890 Datasheet

Supply Class (FSC):

Slings Rigging Tackle Blocks

Cross Reference:

3940BL0AL720

Cage Codes:

Maritime Administration (CAGE 89227)

Schedule B & Trade:

Schedule B: 8425190000 (NAICS 333923)

Pulley tackle and hoists, other than skip hoists or hoists of a kind used for raising vehicles, not powered by electric motor
SITC: 74421

Pulley tackle and hoists (other than skip hoists)
End Use: 21170

Materials handling equipment

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Questions & Answers:
What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 3940-00-053-8890 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
What is the NIIN of NSN 3940-00-053-8890?
000538890 or 00-053-8890
Does NSN 3940-00-053-8890 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3940-00-053-8890?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1961