Home · FSC 3110 Bearings, Antifriction, Unmounted · NSN 3110-01-031-0808

NSN 3110-01-031-0808 — Bearing,Ball,Airframe

NIIN 01-031-0808 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 3110-01-031-0808 is the national stock number for a bearing,ball,airframe in federal supply class 3110 (Bearings, Antifriction, Unmounted). It cross-references to 5 manufacturer part numbers from 4 CAGE codes, including Society Of Automotive Engineers Inc, Sae International, Timken Co; the primary is MB545DD. The unit of issue is EA and the FLIS list price is $123.12.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on August 27, 2026 for $2,280 from Aviarms Support Corp. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

part numbers from 4 CAGEs

open solicitations, all agencies

government buy in 24 months

sellers with confirmed stock

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
MS27646-45	81343	Society Of Automotive Engineers Inc	3 · Design control (vendor)	9 · Reference only
MS27646-45	0U583	Sae International	3 · Design control (vendor)	2 · Fully interchangeable
MB545DD	21335	Timken Co	5 · Secondary reference	9 · Reference only
MB545DDAXXXX	21335	Timken Co	5 · Secondary reference	9 · Reference only
MB545DDFS464	21335	Timken Co	5 · Secondary reference	9 · Reference only
MS27646-45	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	5 · Secondary reference	9 · Reference only
MB545DDFS428	21335	Timken Co	C	1 · Not fully interchangeable

Government demand

Nothing open right now. Last government buy Aug 27, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Aug 27, 2026	Aviarms Support Corp 58985			$2,280	Dla	SPE4A626PX954

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy on record in total.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on MB545DD.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $123.12
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Bore Diameter: INCHES MINIMUM 2.0615 AND INCHES MAXIMUM 2.0635
Overall Outside Diameter: INCHES MINIMUM 2.6243 AND INCHES MAXIMUM 2.6250
Outer Ring Width: INCHES MINIMUM 0.2450 AND INCHES MAXIMUM 0.2500
Inner Ring Width: INCHES MINIMUM 0.2785 AND INCHES MAXIMUM 0.2810
Seal Quantity: 2
Bearing Seal Type: CONTACT
Load Direction: RADIAL
Special Features: 0.0001 IN. MIN 0.0005 IN. MAX RADIAL CLEARANCE
Lubrication Material: GREASE
Lubrication Material Document And Classification: MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-81322
Material: SEAL GLASS FIBER AND PLASTIC POLYTETRAFLUOROETHYLENE
Material Document And Classification: ALL EXTERNAL/EXPOSED METAL SURFACES FED SPEC SINGLE MATERIAL RESPONSE QQ--416,TY 1,CL 2
Surface Treatment: ALL EXTERNAL/EXPOSED METAL SURFACES CADMIUM

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.