Home · FSC 3120 Bearings, Plain, Unmounted · NSN 3120-01-084-2543

NSN 3120-01-084-2543 — Bearing,Plain,Self-Aligning

NIIN 01-084-2543 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 3120-01-084-2543 is the national stock number for a bearing,plain,self-aligning in federal supply class 3120 (Bearings, Plain, Unmounted). It cross-references to 5 manufacturer part numbers from 6 CAGE codes, including Sikorsky Aircraft Corporation, New Hampshire Ball Bearings Inc, Sargent Aerospace & Defense, LLC; the primary is 3120PL1967938. The unit of issue is EA and the FLIS list price is $129.08.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 25, 2026 for $15,000 from Rotair Aerospace Corp. 1 solicitation is open right now. A DLA long-term contract solicitation (SPE4A626RXD90) names it, with an estimated annual demand of 1,641. 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 numbers from 6 CAGEs

open solicitation, 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
SB5077-101	78286	Sikorsky Aircraft Corporation	1 · Design control	2 · Fully interchangeable
SB5077-101	15860	New Hampshire Ball Bearings Inc	3 · Design control (vendor)	2 · Fully interchangeable
SB5077-101	97613	Sargent Aerospace & Defense, LLC	3 · Design control (vendor)	2 · Fully interchangeable
KWDB12-7	97613	Sargent Aerospace & Defense, LLC	5 · Secondary reference	1 · Not fully interchangeable
SBSH24ATC44YA2252	21335	Timken Co	5 · Secondary reference	9 · Reference only
SBSH24ATC44ZA2252	3NPS1	Rbc Aircraft Products, Inc.	5 · Secondary reference	9 · Reference only
SBSH24ATC44ZA2252	21335	Timken Co	5 · Secondary reference	9 · Reference only
3120PL1967938	9009H	Jednolity Indeks Materialowy - Uniform Material Index	6	9 · Reference only

Government demand

Long-term contracts and larger buys (DLA RFP / IFB)

SPE4A626RXD90 · long-term contract, 1 yr · estimated annual demand 1,641 · closes Oct 6, 2026

When a stock number goes onto a long-term contract, the spot RFQs for it usually stop for the term; the holder then sources the parts. All open long-term contracts →

Open notices, other agencies (SAM.gov)

Defense Logistics Agency · Dla Aviation · BEARING, PLAIN, SELF-ALIGNING · due Oct 6, 2026 · Combined Synopsis/Solicitation

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 25, 2026	Rotair Aerospace Corp 54878			$15,000	Dla	SPE4AN26P0106 » Award/Basic Package View

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 3120PL1967938.

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

DLA management data

FLIS unit price: $129.08
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Bore Diameter: INCHES MINIMUM 0.7495 AND INCHES MAXIMUM 0.7500
Outer Member Outside Diameter: INCHES MINIMUM 1.3745 AND INCHES MAXIMUM 1.3750
Outer Member Width: INCHES MINIMUM 0.6250 AND INCHES MAXIMUM 0.6350
Inner Member Width: INCHES MINIMUM 0.8730 AND INCHES MAXIMUM 0.8750
Static Radial Load Rating: POUNDS 55000
Hardness Rating: OVERALL ROCKWELL C MINIMUM 55.0 AND ROCKWELL C MAXIMUM 228.0
Special Features: VIBRATORY LOAD INFINITE LIFE 3470 PORM 3400 LBS; INITIAL ROTATIONAL TORQUE 1 TO 5 IN. LBS
Material: OUTER RACE MEMBER STEEL
Material: INNER MEMBER STEEL
Material: RACE INSERT PLASTIC TETRAFLUOROETHYLENE
Material Document And Classification: INNER MEMBER MFR REF SINGLE MATERIAL RESPONSE 78286SB5077-101
Material Document And Classification: RACE INSERT MFR REF SINGLE MATERIAL RESPONSE 78286SB5077-101
Material Document And Classification: OUTER RACE MEMBER MFR REF SINGLE MATERIAL RESPONSE 78286SB5077-101
Test Data Document: SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE

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.