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NationalStockNumber.INFO

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Retaining Ring

NSN: 5325-01-311-6503 | Model: M2742630152C

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a par (s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes ring, connecting, round.

NSN Properties and Flags
NATO Stock Number
5325-01-311-6503
DEMIL
NO
Cross Sectional Shape
Double oval
Inside Diameter
1.961 inches
Casehardening Indicator
Not casehardened
Outside Diameter
Between 2.217 inches and 2.242 inches
Major Thickness
Between 0.046 inches and 0.052 inches
Ring Style
Special flat
Usage Design
Internal
Material Hardness Rating
Between 40.0 rockwell c and 51.5 rockwell c
Material
Steel, mil-s-46049 or steel, mil-s-46049, comp 1065 or steel, mil-s-46049, comp 1074 or steel, mil-s-46049, comp 1085 or steel, mil-s-46049, comp 1095 or steel, aisi 1070 or steel, aisi 1074 or steel, aisi 1078 or steel, aisi 1080 or steel, aisi 1084 or steel, aisi 1085 or steel, aisi 1090 or steel, aisi 1095
Material
Steel comp 1065 or steel comp 1075 or steel comp 1085 or steel comp 1095 or steel comp 1065 or steel comp 1074 or steel comp 1085 or steel comp 1095 or steel comp 1070 or steel comp 1074 or steel comp 1078 or steel comp 1080 or steel comp 1084 or steel comp 1085 or steel comp 1090 or steel comp 1095
Material Specification
Mil-s-46049 military specification 1st material response and mil-s-46049, comp 1065 military specification 2nd material response and mil-s-46049, comp 1074 military specification 3rd material response and mil-s-46049, comp 1085 military specification 4th material response and mil-s-46049, comp 1095 military specification 5th material response and aisi 1070 assn standard 6th material response and aisi 1074 assn standard 7th material response and aisi 1078 assn standard 8th material response and aisi 1080 assn standard 9th material response and aisi 1084 assn standard 10th material response and aisi 1085 assn standard 11th material response and aisi 1090 assn standard 12th material response and aisi 1095 assn standard 13th material response
Surface Treatment
Phosphate zinc
Surface Treatment
Phosphate, mil-p-16232, type z, class 2

Pricing and Availability

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NSN 5325-01-311-6503 Datasheet

Supply Class (FSC):
Fastening Devices
Cross Reference:
  • M2742630152C
  • MIL-DTL-27426
  • RR-212-L
  • WH-212-PS
Cage Codes:
  • Military Specifications (CAGE 81349)
  • Spirolox, Inc. (CAGE 80756)
  • Smalley Steel Ring Co. (CAGE 51814)
Replacements:
  • 5325-01-311-6503 replaces 5325-01-495-0535
Schedule B & Trade:
  • Schedule B: 9606100000 (NAICS 339993)

    Press-fasteners, snap-fasteners & press-studs & parts therefor

  • SITC: 89983

    Press-fasteners, snap-fasteners and press-studs and parts therefor; buttons

  • End Use: 12640

    Finished textile supplies

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.

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
    Sms
  • AAC
    Z
  • Quantity per pack
    20
  • 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 $29.61 to $49.34..
Does NSN 5325-01-311-6503 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, Department Of The Navy, Brazil, Spain, Singapore, Australia, and Turkey
What is the NIIN of NSN 5325-01-311-6503?
013116503 or 01-311-6503
Does NSN 5325-01-311-6503 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5325-01-311-6503?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Dec 01, 1989