Compression Helical Spring

Model / MPN: 11728-B-18A | NSN: 5360-01-064-1402

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

Product Details

NATO Stock Number

5360-01-064-1402

Sold in multiples of

1 EA

DEMIL

Inside Diameter

Between 0.155 inches and 0.163 inches

End Style

E4 spring end, squared and ground both ends

Spring Free Length

0.530 inches

Spring Solid Length

0.306 inches

Coil Helix Direction

Right-hand or left-hand

Spring Deflection Rate

31.350 pounds per inch

Spring Free Outside Diameter

Between 0.223 inches and 0.231 inches

Material

Nickel alloy 400

Material Specification

Qq-n-281, class a federal specification single material response

Style Designator

Cylindrical

11728 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5E318T6054	Spring, Helical, Comp	72	EA	02/12/2018
SPE5E319T120S	Spring, Helical, Comp	109	EA	04/16/2019
SPE7L121U0434	Spring, Helical, Comp	85	EA	04/22/2021

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

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

11728-B-18A Cross Reference

B-16X17B341X2
11728-B-18
B-16X17B341X2
16X17B341X2
PL-11738-F-18 ITEM 341
PL-11256-F-18 ITEM341
B-16X17B341X1
PL-11738-H-18 ITEM 341
11255-B-18
16X17B341X2
PL-11256-F-18 ITEM341
PL-11738-F-18 ITEM 341