Straight Shaft P/N 123-4403549 PIECE 8

Specifications

End similarity

Identical

Overall length

4.2500 in (nominal)

First end slot width

0.1250 in (nominal)

First end diameter

0.4990 in (nominal)

First end slot depth

0.3750 in (nominal)

First end internal thread length

0.3750 in (nominal)

Material

Copper Alloy

Material document and classification

Fed Spec Single Material Response QQ-B-750

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

Cross-reference part numbers

123-4403549 PIECE 8 1502-93 FN 8

Also referenced as

4403549

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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	Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. 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 3040-01-446-6424?
NSN 3040-01-446-6424 (3040014466424) — Straight Shaft: SECO Parts has 1 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for straight shaft in federal supply class 3040 (Miscellaneous Power Transmission Equipment).

Is NSN 3040-01-446-6424 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.

How much does NSN 3040-01-446-6424 cost?
SECO typically prices parts like NSN 3040-01-446-6424 at $70–$120 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 3040-01-446-6424 fit?
The federal catalog lists NSN 3040-01-446-6424 as used on: W/s Los Angeles Class Ssn (688).

What part numbers cross-reference to NSN 3040-01-446-6424?
Part numbers that cross-reference this NSN include 123-4403549 PIECE 8, 1502-93 FN 8. It is also referenced by older, superseded or advisory numbers: 4403549. SECO can quote against any of them.