Exhaust Muffler P/N T-7338

Specifications

Outlet outside diameter

First Outlet Inches Nominal 1.344

Operating position

Vertical or Horizontal

Inlet location

Located 1-1/2 In. C to C From Horizontal Centerline Single Inlet

Inlet projection length

Single Inlet Inches Nominal 1.125

Inlet thread size

1-1/4-11-1/2

Fsc application data

1. Exhaust System,Engine,Nonaircraft

Outlet connection type

First Outlet Unthreaded

Thread direction

Single Inlet Right-Hand

Design type

Dry

Outlet projection length

First Outlet Inches Nominal 0.875

Inlet connection type

Single Inlet Threaded

Overall diameter

5.625 in (nominal)

Surface treatment

Aluminum

Inlet thread location

Single Inlet External

Material

Location Not Otherwise Specified Steel

Coolant type

Air

Muffler design

Multipass

Tube quantity

2

Body shape

Round

Outlet location

Centrally Located in End Section of Body First Outlet

Outlet inside diameter

First Outlet Inches Nominal 1.223

Overall length

6.625 in (nominal)

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

Cross-reference part numbers

T-7338 ABT338 WD74A WD74

Also referenced as

7338

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 57 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 2990-00-836-1191?
NSN 2990-00-836-1191 (2990008361191) — Exhaust Muffler: SECO Parts has 57 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 2990-00-836-1191 available?
SECO Parts has 57 in stock in Augusta, GA — order or request a quote below.

How much does NSN 2990-00-836-1191 cost?
SECO typically prices parts like NSN 2990-00-836-1191 at $55–$105 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.

What does NSN 2990-00-836-1191 fit?
The federal catalog lists NSN 2990-00-836-1191 as used on: Grumman Aircraft,Model A10.

What part numbers cross-reference to NSN 2990-00-836-1191?
Part numbers that cross-reference this NSN include T-7338, ABT338, WD74A, WD74. It is also referenced by older, superseded or advisory numbers: 7338. SECO can quote against any of them.