Exhaust Muffler P/N 9281N

Specifications

Coolant type

Air

Muffler design

Baffle

Overall diameter

4.000 in (nominal)

Inlet flange shape

Single Inlet Oval

Inlet flange mounting provision and quantity

Single Inlet Holes 2

Inlet flange mounting hole diameter

Single Inlet Inches Nominal 0.281

Outlet inside diameter

First Outlet Inches Nominal 1.049

Design type

Dry

Overall length

3.000 in (nominal)

Center to center distance between mounting holes

1/2 In. C to C Dim. of Holes

Inlet connection type

Single Inlet Flange

Outlet projection length

First Outlet Inches Nominal 0.375

Outlet outside diameter

First Outlet Inches Nominal 1.125

Material

Location Not Otherwise Specified Steel

Surface treatment

Aluminum

Outlet connection type

First Outlet Unthreaded

Tube quantity

2

Body shape

Round

Operating position

Horizontal

Inlet location

Located 1 In. C to C From Horizontal Centerline Single Inlet

Inlet projection length

Single Inlet Inches Nominal 0.750

Outlet location

Located 13.16 In. C to C From Horizontal Center Line First Outlet

Inlet flange mounting provision spacing

1-1/2 In. C to C Dim. of Holes Single Inlet

Baffle quantity

1

From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.

Cross-reference part numbers

9281N ABT9281 T-9281 Z-282

Also referenced as

9281

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.

Shown for identification only. SECO can quote against any of these numbers.

Logistics data

Source of supply	SMS DLA Land and Maritime, Columbus, Ohio
Acquisition advice code	J Not stocked, centrally procured — the government does not stock this item; it is procured only when a requisition arrives. SECO has 1 on the shelf
Unit of issue	EA each
Demilitarization code	A Demilitarization not required — non-munitions-list item
Controlled inventory code	U Unclassified
Hazardous material indicator	N No hazardous material

Source: public FLIS/PUB LOG cataloging data.

Why buy from SECO

These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.

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FAQ

What is NSN 2990-00-903-3864?
NSN 2990-00-903-3864 (2990009033864) — Exhaust Muffler: SECO Parts has 1 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for exhaust muffler in federal supply class 2990 (Miscellaneous Engine Accessories, Nonaircraft).

Is NSN 2990-00-903-3864 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.

How much does NSN 2990-00-903-3864 cost?
The government catalog (FEDLOG) lists NSN 2990-00-903-3864 at $751.65 per each. That is a public reference, not SECO's price: SECO quotes each request, usually the same business day, and surplus parts often quote below or above it.

What part numbers cross-reference to NSN 2990-00-903-3864?
Part numbers that cross-reference this NSN include 9281N, ABT9281, T-9281, Z-282. It is also referenced by older, superseded or advisory numbers: 9281. SECO can quote against any of them.