Home · NSN 01-449-8441

NSN 01-449-8441 — Bearing,Ball,Airframe

NIIN 01-449-8441 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-449-8441 is the national stock number for a bearing,ball,airframe. It cross-references to 1 manufacturer part number from 1 CAGE code, including Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M; the primary is MS21443-5BG. The unit of issue is EA and the FLIS list price is $347.47.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part number from 1 CAGE

open solicitations, all agencies

government buys 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
MS21443-5BG	96906	Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M	2 · Item ident. reference	2 · Fully interchangeable

Government demand

Nothing open right now. Watch this NSN and we will email you when it is solicited.

What the government paid

No government purchase on record for this NSN.

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.

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 MS21443-5BG.

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

DLA management data

FLIS unit price: $347.47
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Bore Diameter: INCHES MINIMUM 0.3120 AND INCHES MAXIMUM 0.3125
Overall Outside Diameter: INCHES MINIMUM 0.9370 AND INCHES MAXIMUM 0.9375
Outer Ring Width: INCHES MINIMUM 0.5580 AND INCHES MAXIMUM 0.5630
Inner Ring Width: INCHES MINIMUM 0.6200 AND INCHES MAXIMUM 0.6250
Seal Quantity: 2
Bearing Seal Type: CONTACT
Load Direction: RADIAL
Lubrication Material: GREASE
Lubrication Material Document And Classification: MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-23827
Material: SEAL RUBBER SYNTHETIC
Material: OUTER RING STEEL
Material: BALL STEEL
Material: RETAINER STEEL
Material: INNER RING STEEL
Surface Treatment: ALL EXTERNAL/EXPOSED METAL SURFACES CADMIUM AND CHROMATE

Related stock numbers

Other NSNs filed under the same part numbers.

00-226-8775 · Bearing,Ball,Airframe

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.