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O-ring

NSN: 5331-00-166-1026 | Model: 9521-25A

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing, preformed. For noncircular items with a round cross-section, see seal, nonmetallic round section and rubber, round section.

NSN Properties and Flags
NATO Stock Number
5331-00-166-1026
DEMIL
NO
Outside Diameter
Between 1.424 inches and 1.458 inches
Cross-sectional Height
Between 0.067 inches and 0.073 inches
Center Hole Diameter
Between 1.290 inches and 1.312 inches
Elongation Percentage
125
Hardness Rating
75.0 shore durometer a
Material
Rubber fluorocarbon class fpm
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5E818T0672 2017-10-23 PHPHA 21996 EA
SPE5E816T0241 2015-10-16 PHPHA 31120 EA
SPE5E815TE572 2015-08-24 PHPHA 25233 EA

Inventory Check

The last inventory check on this NSN was done on 01/05/2024. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 582
  • New: 2925
  • As Removed: 12
  • Serviceable: 12
  • Overhauled: 2

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 5331-00-166-1026 Datasheet

Supply Class (FSC):
O-ring
Cross Reference:
  • 9521-25A
  • A06689.027.169
  • ARP568-027MILR2 5897
  • NAS1593-027
  • AMS7276
  • MS1743-027
  • 20260 FIND 6
  • 9663 PIECE 25A
  • M83248-1-027ES
  • 2-027V0747-75
  • 2-027V1164-75
  • 2-027V1226-75
  • 8561-556
  • J221P027
  • 649-393-027-0
  • 56997
  • 8002703
  • 908779C1
  • AS3209-027
  • 2-027V747-75
  • MIL-R-83248-1-027
  • 700-027-433C
  • 999-1110-A-04-89C
  • 4680-027
  • M83248/1-027
  • M83238/1-027
  • MILR83248
  • 8561-556
  • 10159813
  • 2-027V884-75
  • M83248-1-027
  • M3248/1-027
  • M83248/1-027
  • J221P027
Cage Codes:
  • Zf Industrieantriebe Witten Gmbh (CAGE D9182)
  • Society Of Automotive Engineers Inc (CAGE 81343)
  • U S Dept Of Transportation Federal (CAGE 08125)
  • anderson Greenwood Lp (CAGE 01343)
  • Eriks B.v. (CAGE H2313)
  • Hannifin Corporation Parker (CAGE 02697)
  • Goodrich Actuation Systems Bucvernon (CAGE F1688)
  • General Electric Company (CAGE 07482)
  • Cfm International, Inc. (CAGE 58828)
  • Hannifin Corporation Parker (CAGE 93835)
  • United Technologies Corporation (CAGE 55820)
  • Marotta Controls, Inc. (CAGE 99657)
  • Carver Pump Company (inc) (CAGE 10941)
  • Eaton Aerospace Llc (CAGE 90166)
  • Military Specifications (CAGE 81349)
  • Lucas Aerospace Fms Sas Filiale De (CAGE FA3T0)
  • Nimikkeistokeskus Ncb Finland (CAGE A486G)
  • Wencor Group, Llc (CAGE 26647)
Replacements:
  • 5331-00-166-1026 replaces 5331-00-890-3463
  • 5331-00-166-1026 replaces 5331-00-962-4517
  • 5331-00-166-1026 replaces 5331-01-008-5428
  • 5331-00-166-1026 replaces 5331-01-014-4300
  • 5331-00-166-1026 replaces 5331-01-049-2224
  • 5331-00-166-1026 replaces 5331-01-187-3448
  • 5331-00-166-1026 replaces 5331-01-205-2858
  • 5331-00-166-1026 replaces 5331-01-283-6751
Schedule B & Trade:
  • Schedule B: 4016930000 (NAICS 339991)

    Gaskets, washers and other seals, of vulcanized rubber other than hard rubber

  • SITC: 62999

    Articles of unhardened noncellular vulcanized rubber, n.E.S.

  • End Use: 12750

    Industrial rubber products

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.

ADPE

- Represents items with no adp components

CRITL

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

Freight Information:
  • NMFC:

    194120 - Washers/gaskets/pckg dvcs noi

  • WCC:

    596 - Gaskets, (machinery and parts),(less than 35 feet)

  • 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
    Sms
  • AAC
    D
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    T2200x-
  • 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 $0.93 to $1.55..
Does NSN 5331-00-166-1026 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, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, U.s. Coast Guard, Austria, Finland, Poland, Brazil, Spain, Columbia, Singapore, Malaysia, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, Denmark, Norway, Greece, and Turkey
What is the NIIN of NSN 5331-00-166-1026?
001661026 or 00-166-1026
Does NSN 5331-00-166-1026 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5331-00-166-1026?
Solicitation SPE5E818T0672 for qty 21996 on 10/16/2017
When was this national stock number assigned to the federal catalog?
Nov 19, 1971