Home · NSN 01-208-5389

NSN 01-208-5389 — Bearing,Roller,Needle

NIIN 01-208-5389 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-208-5389 is the national stock number for a bearing,roller,needle. It cross-references to 2 manufacturer part numbers from 3 CAGE codes, including Sae International, Society Of Automotive Engineers Inc, Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M; the primary is AS21438. The unit of issue is EA and the FLIS list price is $32.66.

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.

2

part numbers from 3 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 01-208-5389: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

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

Part numberCAGEManufacturerReferenceVariation
AS214380U583Sae International3 · Design control (vendor)1 · Not fully interchangeable
MS21438-1040U583Sae International3 · Design control (vendor)2 · Fully interchangeable
AS2143881343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
MS21438-10481343Society Of Automotive Engineers Inc5 · Secondary reference9 · Reference only
MS21438-10496906Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M5 · Secondary reference9 · Reference only

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 AS21438.

Request AS21438

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

DLA management data

FLIS unit price
$32.66
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2026

Item characteristics

Bore Diameter
INCHES MINIMUM 0.2493 AND INCHES MAXIMUM 0.2500
Overall Outside Diameter
INCHES MINIMUM 0.8740 AND INCHES MAXIMUM 0.8760
End Item Identification
MULTIPLE LAUNCH ROCKET SYSTEM (MLRS)
Outer Ring Width
INCHES MINIMUM 0.3300 AND INCHES MAXIMUM 0.3450
Inner Ring Width
INCHES MINIMUM 0.3650 AND INCHES MAXIMUM 0.3750
Crown Radius
INCHES NOMINAL 10.0000
Surface Finish
GROUND
Seal Quantity
2
Bearing Seal Type
CONTACT
Alignment Type
RIGID
Features Provided
LUBRICATION HOLE AND LUBRICATION GROOVE
Special Features
PLATING ON EXPOSED SURFACES AS MOUNTED; OPTIONAL OIL GROOVE IN ID OF OUTER RING
Lubrication Material
GREASE
Lubrication Material Document And Classification
MIL SPEC SINGLE MATERIAL RESPONSE -IL-G-81322
Material
RETAINING PLATE STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100
Material
ROLLER STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100
Material
OUTER RING STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100
Material
SEAL PLASTIC ACETAL OR PLASTIC POLYHEXAMETHYLENE ADIPAMIDE
Material
INNER RING STEEL COMP E50100 OR STEEL COMP E51100 OR STEEL COMP E52100
Material Document And Classification
INNER RING FED STD ALL MATERIAL RESPONSES 66 OR ASSN STD ALL MATERIAL RESPONSES AISI OR ASSN STD ALL MATERIAL RESPONSES SAE
Material Document And Classification
SEAL FED SPEC 1ST MATERIAL RESPONSE L--392 OR FED SPEC 2ND MATERIAL RESPONSE L--410
Material Document And Classification
OUTER RING FED STD ALL MATERIAL RESPONSES 66 OR ASSN STD ALL MATERIAL RESPONSES AISI OR ASSN STD ALL MATERIAL RESPONSES SAE
Material Document And Classification
ROLLER FED STD ALL MATERIAL RESPONSES 66 OR ASSN STD ALL MATERIAL RESPONSES AISI OR ASSN STD ALL MATERIAL RESPONSES SAE
Material Document And Classification
RETAINING PLATE FED STD ALL MATERIAL RESPONSES 66 OR ASSN STD ALL MATERIAL RESPONSES AISI OR ASSN STD ALL MATERIAL RESPONSES SAE

Related stock numbers

Other NSNs filed under the same part numbers.

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.

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