SECO Parts and Equipment — U.S. stocking supplier since 1951 · CAGE 1JUW8 · 3000 Mike Padgett Hwy, Augusta, GA 30906 706-798-7500 sales@secoglobal.com secoparts.net ↗
Quote list Online store ↗

Catalog › Bearings › FSC 3120 › 3120-01-131-7633

Sleeve Bushing P/N 4M139BC6-31

In stock — 39 on our U.S. shelf

NSN 3120-01-131-7633 3120011317633 NIIN 011317633

SECO Parts has 39 in stock of NSN 3120-01-131-7633 — Sleeve Bushing — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Low-cost part: quoted by the line, $50 minimum per line; quantity pricing on request.

One part, one step — answered within one business day. Several parts? and send them together.

FLIS item name
BUSHING,SLEEVE
SECO description
BUSHING SLEEVE
Federal supply class
FSC 3120 — Bearings, Plain, Unmounted

Availability & condition

ConditionCodeQty on shelf
New SurplusNS 39
Total39

Quantities are live from SECO's inventory system, not estimated.

Also known as: 3120-01-131-7633 011317633 4M139BC6-31 ST4M139BC6-31 10107980

Get a quote

Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.

More to tell us? Need-by date, ship-to, your own RFQ document

Specifications

Overall length
0.3650–0.3770 in
Body outside diameter
0.5016–0.5023 in
Body inside diameter
0.3685–0.3700 in
Flange outside diameter
0.6150–0.6350 in
Flange width
0.0600–0.0620 in
Corner shape
Left Flange Outside Right Corner Square
Corner shape
Inside Right Corner Square
Corner shape
Outside Left Corner Square
Corner shape
Inside Left Corner Square
Corner shape
Outside Right Corner Square
Corner shape
Left Flange Body Corner Undercut
Material
Overall Copper Alloy 172 or Copper Alloy 173
Material document and classification
Overall Fed Spec All Material Responses QQ-C-530,Cond HT
Specification/standard data
Manufacturers Standard 76301-4-139

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

Cross-reference part numbers

4M139BC6-31 ST4M139BC6-31

Also referenced as

10107980

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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 supplySMS
DLA Land and Maritime, Columbus, Ohio
Acquisition advice codeZ
Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 39 on the shelf
Unit of issueEA
each
Demilitarization codeA
Demilitarization not required — non-munitions-list item
Controlled inventory codeU
Unclassified
Hazardous material indicatorN
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.

In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered

FAQ

What is NSN 3120-01-131-7633?
NSN 3120-01-131-7633 (3120011317633) — Sleeve Bushing: SECO Parts has 39 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for sleeve bushing in federal supply class 3120 (Bearings, Plain, Unmounted).

Is NSN 3120-01-131-7633 available?
SECO Parts has 39 in stock in Augusta, GA — order or request a quote below.

How much does NSN 3120-01-131-7633 cost?
NSN 3120-01-131-7633 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.

What part numbers cross-reference to NSN 3120-01-131-7633?
Part numbers that cross-reference this NSN include 4M139BC6-31, ST4M139BC6-31. It is also referenced by older, superseded or advisory numbers: 10107980. SECO can quote against any of them.

Same item, other stock numbers

Other NSNs the federal catalog names BUSHING,SLEEVE. Same name is not the same part: check the part numbers.

More in FSC 3120

All of FSC 3120 — Bearings, Plain, Unmounted →

Get a quote