NSN 567258

A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes:packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.

2840-00-021-4545, c positioning plate.

NSN 2840-00-021-4545 Datasheet

(NSN) National Stock Number

2840-00-021-4545

(FSG) Federal Supply Group

28 - Engines, Turbines, and Components

(FSC) Federal Supply Classification

2840 - Prime Moving; and Components Aircraft Gas Turbines and Jet Engines

(NIIN) National Item Identification Number

00-021-4545

Requires Demilitarization

Yes

(INC) Item Name Code

77777

Date

Thu, Apr 27, 1967

Identification

Demilitarization Code

A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Precious Metals Indicator

A - Item does not contain precious metal.

Hazardous Metals Indicator

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

Pseudo Item Name Code

1429173

Cross Reference

CAGE Codes

77445

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney

Non-manufacturers

Freight Information

Questions & Answers

1. What is the FSCG of the NSN 2840-00-021-4545?

   The FSCG of the NSN 2840-00-021-4545 is 2840

2. Does NSN 2840-00-021-4545 require demilitarization?

   Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

3. Does NSN 2840-00-021-4545 contain precious materials?

   Item does not contain precious metal.

4. Does NSN 2840-00-021-4545 contain hazardous materials?

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

5. When the NSN 2840-00-021-4545 was assigned to the Federal Catalog?

   It was assigned 59 years ago, on Thu, Apr 27, 1967