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Retaining Ring

NSN: 5325-01-304-1840 | Model: 5304-31-S-ZD
ITAR Registered seal

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
5325-01-304-1840
DEMIL
Yes - ITAR Controlled
Cross Sectional Shape
Rectangular
Inside Diameter
Between 0.247 inches and 0.253 inches
Casehardening Indicator
Not casehardened
Outside Diameter
0.588 inches
Major Thickness
Between 0.040 inches and 0.044 inches
Ring Style
External
Usage Design
External
Material Hardness Rating
Between 51.0 rockwell c and 55.0 rockwell c
Material
Steel, federal standard 66, comp 1060 or steel, federal standard 66, comp 1061 or steel, federal standard 66, comp 1064 or steel, federal standard 66, comp 1065 or steel, federal standard 66, comp 1066 or steel, federal standard 66, comp 1069 or steel, federal standard 66, comp 1070 or steel, federal standard 66, comp 1072 or steel, federal standard 66, comp 1074 or steel, federal standard 66, comp 1075 or steel, federal standard 66, comp 1078 or steel, federal standard 66, comp 1080 or steel, federal standard 66, comp 1084 or steel, federal standard 66, comp 1085 or steel, federal standard 66, comp 1086 or steel, federal standard 66, comp 1090
Material
Steel comp 1060 or steel comp 1561 or steel comp 1064 or steel comp 1065 or steel comp 1566 or steel, federal standard 66, comp 1069 or steel comp 1070 or steel comp 1572 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080 or steel comp 1070 or steel comp 1085 or steel comp 1086 or steel comp 1090
Material Specification
Fed standard 66, comp 1060 federal standard 1st material response and federal standard 66, comp 1061 federal standard 2nd material response and federal standard 66, comp 1064 federal standard 3rd material response and federal standard 66, comp 1065 federal standard 4th material response and federal standard 66, comp 1066 federal standard 5th material response and federal standard 66, comp 1070 federal standard 7th material response and federal standard 66, comp 1072 federal standard 8th material response and federal standard 66, comp 1074 federal standard 9th material response and federal standard 66, comp 1075 federal standard 10th material response and federal standard 66, comp 1078 federal standard 11th material response and federal standard 66, comp 1080 federal standard 12th material response and federal standard 66, comp 1084 federal standard 13th material response and federal standard 66, comp 1085 federal standard 14th material response and federal standard 66, comp 1086 federal standard 15th material response and federal standard 66, comp 1090 federal standard 16th material response
Surface Treatment
Zinc
Surface Treatment
Zinc plated

Pricing and Availability

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NSN 5325-01-304-1840 Datasheet

Supply Class (FSC):
Fastening Devices
Cross Reference:
  • 5304-31-S-ZD
  • 5304-31ZD
  • 5304-31-S-ZD
  • 5304-31-S-ZD
Cage Codes:
  • Rotor Clip Company Inc. (CAGE 07382)
  • Flowserve Corporation (CAGE 52374)
  • Truarc Company Llc (CAGE 79136)
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
    100
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    9b-----
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $43.46 to $72.43..
Does NSN 5325-01-304-1840 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 Navy
What is the NIIN of NSN 5325-01-304-1840?
013041840 or 01-304-1840
Does NSN 5325-01-304-1840 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5325-01-304-1840?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jul 13, 1989