Ball Airframe Bearing P/N MS27641-5

Specifications

Bore diameter

0.3125 in (nominal)

Overall outside diameter

0.8125 in (nominal)

Outer ring width

0.2340 in (nominal)

Inner ring width

0.2970 in (nominal)

Seal quantity

2

Bearing seal type

Contact

Load direction

Radial

Standard tolerance designation

Afbma STD Tolerance for Airframe Ball Bearings

Special features

80 Pct Full of MIL-G-81322,Internal Radial Clearance 0.0004-0.0010 In.,Heat Treat Rings and Balls to Rockwell C 60 to 66 and Stabilized for Operation AT 250 Deg F and Radial and Lateral Eccentricity Inner Ring 0.0010 In. Outer Ring 0.0016 In.

Lubrication material document and classification

MIL Spec Single Material Response -IL-G-81322

Material

Ball Steel Comp E51100 or Steel Comp E52100

Material

Inner Ring Steel Comp E52100

Material

Outer Ring Steel Comp E52100

Material

Retainer Steel Corrosion Resisting

Material

Seal Plastic Polytetrafluoroethylene

Material document and classification

Ball Fed STD All Material Responses 66

Material document and classification

Inner Ring Fed STD Single Material Response 66

Material document and classification

Outer Ring Fed STD Single Material Response 66

Material document and classification

Seal Assn STD Single Material Response A-S 3652 or Assn STD Single Material Response A-S 3666

Surface treatment

Exposed Surfaces AS Mounted Cadmium

Surface treatment document and classification

Exposed Surfaces AS Mounted Fed Spec Single Treatment Response QQ--416,TY 1,CL 2

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

Cross-reference part numbers

MS27641-5 AS27641-5 SAE AS27641 KP5A MS27641KP5A 9408308603 2910069 KP5AFS464 KP5A KP5A-FS464 SAE AS27641-5

Also referenced as

KP5AE+6531 MM27641-5 538663-5

Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual.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	H Direct delivery from vendor — not stocked by the government; delivered direct from a vendor under a central contract. 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 3110-00-033-9851?
NSN 3110-00-033-9851 (3110000339851) — Ball Airframe Bearing: SECO Parts has 1 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for ball airframe bearing in federal supply class 3110 (Bearings, Antifriction, Unmounted).

Is NSN 3110-00-033-9851 available?
SECO Parts has 1 in stock in Augusta, GA — order or request a quote below.

How much does NSN 3110-00-033-9851 cost?
SECO typically prices parts like NSN 3110-00-033-9851 at $25–$40 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 part numbers cross-reference to NSN 3110-00-033-9851?
Part numbers that cross-reference this NSN include MS27641-5, AS27641-5, SAE AS27641, KP5A, MS27641KP5A, 9408308603, 2910069, KP5AFS464. It is also referenced by older, superseded or advisory numbers: KP5AE+6531, MM27641-5, 538663-5. SECO can quote against any of them.