Type a 13-digit NSN, a 9-digit NIIN, a manufacturer part number, or a category name such as “gasket”.

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FSC 4310 × CONNECTING ROD,PISTON

CONNECTING ROD,PISTON

4310-00-363-4030 FSC 4310

NSN 4310-00-363-4030 (also written 4310003634030; NIIN 00-363-4030) is a connecting rod, piston in Federal Supply Class 4310, Compressors and Vacuum Pumps. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

Open for bid

No open solicitations on record for this NSN right now.

Search open RFQs on DIBBS →

Can you win it?

This item is coded to be bought directly from the actual manufacturer (AMC 3).

Acquisition method (AMC)
3
Suffix (AMSC)
D
Competition
Coded for a named source

AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. The codes describe the item's status on record, not any one solicitation. What the codes mean

What it is — can you make it?

Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.

Specifications

From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.

Requirement Value
CROSS-SECTIONAL SHAPE STYLE AAGR —
PISTON CONNECTING END LUBRICATION DRILL FEATURE BQBY INCLUDED
BEARING REPLACEABILITY BQBW REPLACEABLE
SHAFT CONNECTING END EDGE RADIUS BQCF INCHES NOMINAL 3.125
END THICKNESS AXPW INCHES NOMINAL 1.500
SHAFT CONNECTING END STYLE AKEU —
END HOLE INSIDE DIAMETER BQBP INCHES NOMINAL 2.000
PISTON CONNECTING END BEARING BQBT INCLUDED
BODY WIDTH AT PISTON CONNECTING END BRNH INCHES NOMINAL 1.937
BODY WIDTH AT SHAFT CONNECTING END BRNJ INCHES NOMINAL 2.125
BODY THICKNESS AT PISTON CONNECTING END BRNK INCHES NOMINAL 0.937
BODY THICKNESS AT SHAFT CONNECTING END BRNL INCHES NOMINAL 0.968
PISTON END CONNECTION STYLE BXYS —
MATERIAL MATT STEEL
SHAFT CONNECTING END LUBRICATION DRILL FEATURE BQCZ INCLUDED
SHAFT CONNECTING END LUBRICATION METHOD BQDB SPLASH
CENTER TO CENTER EFFECTIVE LENGTH BRNG INCHES NOMINAL 10.500
SHAFT CONNECTING END THICKNESS BQCH INCHES NOMINAL 1.125
SHAFT CONNECTING END BEARING REPLACEABILITY BQCY REPLACEABLE
EDGE RADIUS BQBN INCHES NOMINAL 1.625
SHAFT CONNECTING END BEARING BQCB INCLUDED
SHAFT CONNECTING END HOLE INSIDE DIAMETER BQCC INCHES NOMINAL 3.000
PISTON CONNECTING END LUBRICATION METHOD BQBZ SPLASH
FABRICATION METHOD AARN FORGED
SHAFT CONNECTING END WIDTH BQCG INCHES NOMINAL 4.625

Manufacturer part numbers

Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.

Part number CAGE Manufacturer
MLH34637G1 0AT62 SIEMENS ENERGY, INC. DBA DRESSER-RAND
MLH34637G1 30760 INGERSOLL RAND CO
MLH34637G1 88663 DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE
MLH34637G1 8FGX3 CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS

What it pays — so you can quote

The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.

Latest unit price
—
Purchases
0
Total spend
—
Sep 24, 2026
Last purchased
1 · 1.0/yr
Purchase records
$156,750
Total demand
$156,750
Latest award total

Compare with other items

Purchase history

No priced purchases on record for this NSN yet.

Related contract actions

Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.

Action date Award # Recipient Agency Obligation
Sep 24, 2026 SPE7M126PA293 ↗ WKF (FRIEDMAN) ENTERPRISES, INC. — $156,750

Demand history

Who wins this item

Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.

  • Award in the last 2 years
  • Older award
WKF (FRIEDMAN) ENTERPRISES, INC.
last award Sep 2026
Not listed
CURTISS-WRIGHT ELECTRO-MECHANICAL CORP DBA STEAM & AIR SOLUTIONS DIV CURTISS-WRIGHT STEAM AND AIR SOLUTIONS
no award yet
Listed source
DRESSER-RAND CO INGERSOLL-RAND OPNS A JOINT VENTURE
no award yet
Listed source
INGERSOLL RAND CO
no award yet
Listed source
SIEMENS ENERGY, INC. DBA DRESSER-RAND
no award yet
Listed source

WKF (FRIEDMAN) ENTERPRISES, INC. won the only award on record. WKF (FRIEDMAN) ENTERPRISES, INC. won without being a listed source.

Open RFQs on DIBBS → DIBBS award history ↗

About this data

  • Unit prices: DLA DIBBS award records — every row links to its government record.
  • AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
  • Contract action totals: USAspending, context only.
  • Data last refreshed: 2026-09-27.
  • Full methodology →
Cite this page
Citation

NSN Explorer. "CONNECTING ROD,PISTON." nsnexplorer.com, https://nsnexplorer.com/nsn/4310-00-363-4030/. Data as of October 19, 2026.

Link

https://nsnexplorer.com/nsn/4310-00-363-4030/