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Helical Compression Spring Seat

NSN: 5340-00-039-7278 | Model: 6280386

A circular item, usually having a flat or grooved flange, bos (es), and/or counterbore designed to accommodate the end of the spring. It is used to position the spring, but does not encase the spring or restrain lateral motion. It may be used in conjunction with a retainer, helical compression spring. Excludes washer (1), (as modified) ; seat, ball socket and holder, spring. See also rotor, engine poppet valve.

NSN Properties and Flags
NATO Stock Number
5340-00-039-7278
DEMIL
NO
Countersink Angle In Deg
45.0
Chamfer Angle In Deg
14.0
Overall Height
1.3750 inches
First Step Diameter
4.4690 inches
Bore Diameter
Between 1.7460 inches and 1.7500 inches
Material Hardness Rating
Between 30.0 rockwell c and 37.0 rockwell c
Design Type
Solid
Countersink Diameter
2.1250 inches
End Diameter
2.5000 inches
Distance From End To First Step
0.9370 inches
Special Features
Not casehardened
Material
Steel
Material
Steel
Style Designator
Seat
Surface Treatment
Any acceptable
Fsc Application Data
Pintle hook, vehicular

Pricing and Availability

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NSN 5340-00-039-7278 Datasheet

Supply Class (FSC):
Commercial Hardware
Cross Reference:
  • 6280386
Cage Codes:
  • U S Army Tank Automotive Command (CAGE 19207)
Identification:
HMIC

P - Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of federal standard 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

PMIC

U - Precious metal content is unknown

CRITL

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

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 5340-00-039-7278 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Austria, and Greece
What is the NIIN of NSN 5340-00-039-7278?
000397278 or 00-039-7278
Does NSN 5340-00-039-7278 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5340-00-039-7278?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963