# NSN 2840-00-012-3277: Cover, Shipping, Tachometer Mount

NSN 2840-00-012-3277 (also written 2840000123277; NIIN 00-012-3277) is a cover, shipping, tachometer mount in Federal Supply Class 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. 2 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 2840-00-012-3277 (2840000123277)
- NIIN: 00-012-3277 (000123277)
- Item name: COVER,SHIPPING,TACHOMETER MOUNT
- Federal Supply Class: [FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components](https://nsnexplorer.com/fsc/2840/)
- Federal Supply Group: [FSG 28](https://nsnexplorer.com/group/28/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-16)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | ENGINE PT6A |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | PLASTIC,YELLOW ANA BULLETIN 166 NO. 505 OR C. G. S. B. 1-GP-12 NO. 5-1,2.436 IN. MIN,2.516 IN. MAX LG,2.436 IN. MIN,2.516 IN. MAX W,0.250 IN. NOM THK,0.280 IN. MIN,0.320 IN. MAX RADIUS CORNERS,4 HOLES 0.280 IN. MIN,0.300 IN. MAX DIA ON 2.653 IN. BOLT CIRCLE DIA,5000 PSI MIN COMPRESSION STRENGTH,FUEL AND OIL RES,150 DEG F HEAT RES |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| PK255 | 00198 | PRATT & WHITNEY CANADA CORP DIV PRATT & WHITNEY CANADA CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PK255 | 98247 | CANADIAN COMMERCIAL CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A1-27-T-0133 | 38 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2840000123277&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=2840000123277&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=2840000123277
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/2840-00-012-3277/
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