National Stock Number
Sleeve Bushing — Bearings, Plain, Unmounted (FSC 3120) · Part No. 437B525-1
| National Stock Number | 3120-00-109-0173 |
|---|---|
| Item name | Sleeve Bushing |
| Part number (commercial reference) | 437B525-1 |
| Alternate references | 437B525 PIECE 1; 7378E65 PIECE 88 |
| Unit of issue | EA |
| NIIN | 001090173 |
| NIIN assigned by | United States (NCB code 00) |
| Federal Supply Class (FSC) | 3120 — Bearings, Plain, Unmounted |
| Federal Supply Group (FSG) | 31 — Bearings |
| Unit price (USD) | $4,380.75 |
| Country of origin | Türkiye (Turkey) |
| Lead time | Within 90 days of order |
| Minimum order | May apply — confirm on quote |
| Documentation | Source documentation provided on all orders |
Characteristics decoded from the federal cataloging record for this sleeve bushing. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Overall Length | 5.5000 Inches Nominal |
|---|
Plain (journal/sleeve) bearings, bushings, and bearing inserts that support loads through a sliding rather than rolling interface.
Price in context. Across the 67 items we currently stock in FSC 3120 (Bearings, Plain, Unmounted), published unit prices run from $3.85 to $6,750.00. At $4,380.75, this item sits well above the class median of $87.61 — typical of assemblies and higher-value line items in this class.
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-07-22, with a lot quantity of 2 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Typical applications. Pivot points, low-speed shafts, linkages, and bushed joints.
Applicable standards. SAE and MIL bearing standards; bronze, composite, and lined bearings.
NSN 3120-00-109-0173 is supplied by Quick Brown Fox Solutions as a stock resale item. For custom-manufactured or prototype parts to your print, see our U.S.-based CNC machining services.
Country of origin: Türkiye (Turkey). Turkey is a NATO ally and a normal-trade-relations partner of the United States, and Turkish-origin end items are eligible for a wide range of U.S. federal and DLA procurements.
TAA note: Turkey is not a Trade Agreements Act (TAA) designated country, so these items are generally not eligible for TAA-covered solicitations. They are offerable under the Buy American Act and many non-TAA DLA buys. Buyers are responsible for confirming the origin requirements of their specific solicitation.
Full country-of-origin and source documentation is provided with every order. Fulfillment within 90 days of order. Minimum order may apply.
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