Home · FSC 2815 Diesel Engines And Components · NSN 2815-00-434-6593

NSN 2815-00-434-6593 — Piston,Internal Combustion Engin

NIIN 00-434-6593 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 2815-00-434-6593 is the national stock number for a piston,internal combustion engin in federal supply class 2815 (Diesel Engines And Components). It cross-references to 4 manufacturer part numbers from 8 CAGE codes, including U S Army Tank Automotive Command Amsta-Im-Mm, Tecmotiv (Usa), Inc., Brighton Cromwell LLC; the primary is 11683943. The unit of issue is EA and the FLIS list price is $362.70.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 28, 2026 for $18,130 from Eos Inc. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

4

part numbers from 8 CAGEs

0

open solicitations, all agencies

1

government buy in 24 months

0

sellers with confirmed stock

Watch NSN 2815-00-434-6593: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
11683943-219207U S Army Tank Automotive Command Amsta-Im-Mm1 · Design control2 · Fully interchangeable
11683943-20L7R7Tecmotiv (Usa), Inc.3 · Design control (vendor)2 · Fully interchangeable
11683943-23NNX8Brighton Cromwell LLC5 · Secondary reference9 · Reference only
11683943-26R738Mactek Industries Corp5 · Secondary reference9 · Reference only
11683943-202978Renk America LLC5 · Secondary reference2 · Fully interchangeable
11683943-232842Minowitz Manufacturing Co.5 · Secondary reference9 · Reference only
2815004346593SCY13E.C.A Etablissement Centrald'Approvisionnement Des Forces Armee5 · Secondary reference9 · Reference only
655216-202978Renk America LLC5 · Secondary reference9 · Reference only
2815004346593A00AME.C.A Etablissement Central Des Approvisionnements Des Forces Armees Royales69 · Reference only
1168394319207U S Army Tank Automotive Command Amsta-Im-MmD9 · Reference only

Government demand

Nothing open right now. Last government buy Sep 28, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Sep 28, 2026Eos Inc 85VY7$18,130DlaSPE7L526P2984 » Award/Basic Package View

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy on record in total.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 11683943.

Request 11683943

No account needed. Goes to the sellers who carry this number or its family.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price
$362.70
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Furnished Items
SKIRT BOTTOM CUTAWAY FEATURE
Overall Height
INCHES NOMINAL 6.870
Diameter
INCHES MINIMUM 5.705 AND INCHES MAXIMUM 5.713
Pinhole Diameter
INCHES MINIMUM 2.1268 AND INCHES MAXIMUM 2.1270
Surface Finish
FINISHED
Finished Size Designation
OVERSIZE
Oversize
INCHES NOMINAL 0.020
Skirt Type
SEMISPLIT
Cut Depth
INCHES NOMINAL 5.120
Ring Groove Quantity
4
Ring Groove Width
FOURTH RING INCHES MINIMUM 0.1880 AND INCHES MAXIMUM 0.1890
Ring Groove Width
SECOND RING INCHES MINIMUM 0.0990 AND INCHES MAXIMUM 0.1000
Ring Groove Width
THIRD RING INCHES MINIMUM 0.0980 AND INCHES MAXIMUM 0.0990
Ring Groove Width
FIRST RING INCHES MINIMUM 0.0995 AND INCHES MAXIMUM 0.1005
Groove Taper Angle
7 DEGREE 20 MINUTES PLUS 10 MINUTES
Ring Groove Diameter
THIRD RING INCHES MINIMUM 5.230 AND INCHES MAXIMUM 5.240
Ring Groove Diameter
SECOND RING INCHES MINIMUM 5.230 AND INCHES MAXIMUM 5.240
Ring Groove Diameter
FOURTH RING INCHES MINIMUM 5.189 AND INCHES MAXIMUM 5.199
Ring Groove Diameter
FIRST RING INCHES MINIMUM 5.207 AND INCHES MAXIMUM 5.212
Distance From Pin Hole Center To Extreme Top
INCHES NOMINAL 4.750
Pin Type For Which Designed
FLOATING
Material
STEEL
Weight
OUNCES 126.3

Related stock numbers

Other NSNs filed under the same part numbers.

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.

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