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Ring Spacer

NSN: 5365-01-252-3607 | Model: AL-1256-164

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

NSN Properties and Flags
NATO Stock Number
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPRPA121T0108 2021-07-29 PHPHC 130 EA
SPE4A620Q0561 2019-12-02 DDT00 161 EA
SPE4A619T64N6 2019-09-16 PARFM 161 EA
SPE4A619T714K 2019-04-01 PARFM 181 EA
SPE4A618T87T8 2018-09-17 PARFM 96 EA
SPE4A617TG459 2017-02-15 PARFJ 313 EA
SPE4A617T5559 2016-11-16 PARFM 100 EA
SPE4A616TAC39 2016-06-22 PARFM 186 EA
SPE4A616T6770 2015-11-16 PARFM 85 EA

Inventory Check

The last inventory check on this NSN was done on 10/16/2022. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 10

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.

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NSN 5365-01-252-3607 Datasheet

Supply Class (FSC):
Spacers Shims Rings Bushings
Cross Reference:
  • AL-1256-164
  • 10390353
Cage Codes:
  • Eastern Llc Breeze (CAGE 08484)
  • Nimikkeistokeskus Ncb Finland (CAGE A486G)
Schedule B & Trade:
  • Schedule B: 7326908595 (NAICS 332999)

    Other articles of iron or steel not wire nesoi

  • SITC: 69969

    Articles of iron or steel, n.E.S.

  • End Use: 12300

    Finished metal shapes


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


A - Item does not contain precious metal.


- Represents items with no adp components


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

Freight Information:
  • NMFC:

    095190 - Hardware, noi

  • WCC:

    713 - Metal hardware

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $115.02 to $191.70..
Does NSN 5365-01-252-3607 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Finland, France, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 5365-01-252-3607?
012523607 or 01-252-3607
Does NSN 5365-01-252-3607 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5365-01-252-3607?
Solicitation SPRPA121T0108 for qty 130 on 08/04/2021
When was this national stock number assigned to the federal catalog?
Apr 01, 1987