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Muffler-exhaust Pipe Protective Cap Assembly

NSN: 2990-00-018-6318 | Model: 421759

An item designed to fit over the opening of an engine exhaust pipe or muffler to prevent the entrance of rain or foreign matter into the manifold section of a reciprocating engine while not in use. It is automatically opened when the engine is started by pressure exerted from the exhaust system. It is equipped with a hinging action and may or may not have a counter weight. Excludes cap, protective, dust and moisture seal.

NSN Properties and Flags
NATO Stock Number
2990-00-018-6318
DEMIL
NO
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7L118T255L 2018-09-04 PLCL3 55 EA

Inventory Check

The last inventory check on this NSN was done on 12/22/2023. Due to rapid changes in inventory this may not be the current stock qty.

  • Serviceable: 3
  • New: 505
  • As Removed: 4
  • New Surplus: 187

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Qty:
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NSN 2990-00-018-6318 Datasheet

Supply Class (FSC):
Nonaircraft Miscellaneous Engine Accessories
Cross Reference:
  • 421759
  • A41271
  • 3210830
  • 11009
  • N08
  • 420V5501
  • 36300
  • 3IN
  • 8
  • A41271
  • P270536
  • 60265
  • 4205501
  • 77-300
  • 3210830
  • B52-1161-2
  • 1342571
  • A36050-3
  • 60265
  • 60625
  • 11009
Cage Codes:
  • Clark Material Handling Company (CAGE 89749)
  • Koehring Cranes and Excavators Inc (CAGE 8E499)
  • Wright Line Inc (CAGE 63177)
  • Gleason Corp (CAGE 81859)
  • Coltec Industries Inc (CAGE 03764)
  • Wood John Co Ltd (CAGE 36391)
  • Koehring Co (CAGE 59690)
  • Donaldson Co Inc Kittell Div (CAGE 91435)
  • Koehring Co (CAGE 34161)
  • Mercury Products Corp. (CAGE 17284)
  • Snowblast Sicard A Division Of Smi (CAGE 63117)
  • Drs Consolidated Controls, Inc. (CAGE 93742)
  • Pierce Manufacturing, Inc. (CAGE 04664)
  • Tiffin Parts, L.l.c. (CAGE 13841)
  • Davey Compressor Co (CAGE 16004)
  • Jenny Products, Inc. (CAGE 29215)
Replacements:
  • 2990-00-018-6318 replaces 2990-00-071-9116
  • 2990-00-018-6318 replaces 2990-00-105-0272
  • 2990-00-018-6318 replaces 2990-00-105-0318
  • 2990-00-018-6318 replaces 2990-00-231-7359
  • 2990-00-018-6318 replaces 2990-00-248-4462
  • 2990-00-018-6318 replaces 2990-00-433-3579
  • 2990-00-018-6318 replaces 2990-00-436-2020
  • 2990-00-018-6318 replaces 2990-00-567-3458
  • 2990-00-018-6318 replaces 2990-00-671-6896
  • 2990-00-018-6318 replaces 2990-00-792-3593
  • 2990-00-018-6318 replaces 2990-00-991-6525
Schedule B & Trade:
  • Schedule B: 8412909080 (NAICS 333618)

    Parts of engines and motors, nesoi

  • SITC: 71899

    Parts of reaction engines (except turbojet), linear acting hydraulic and pneumatic power engines and motors, and parts of engines and motors n.E.S.

  • End Use: 21100

    Industrial engines

Identification:
HMIC

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

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

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

Freight Information:
  • NMFC:

    133300 - Machinery/machines noi

  • WCC:

    593 - Motors and parts, (machinery and parts),(less than 35 feet)

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    J2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $139.73 to $232.88..
Does NSN 2990-00-018-6318 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, Republic Of Korea, and Italy
What is the NIIN of NSN 2990-00-018-6318?
000186318 or 00-018-6318
Does NSN 2990-00-018-6318 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 2990-00-018-6318?
Solicitation SPE7L118T255L for qty 55 on 08/24/2018
When was this national stock number assigned to the federal catalog?
May 10, 1968