The Bushing,sleeve, cataloged under National Stock Number 3120-01-221-8741, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Dupont Specialty Products Usa, Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-221-8741 |
| Primary Part Number | 10738 |
| Item Name | Bushing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Dupont Specialty Products Usa, Llc |
| Status | ACTIVE |
| Corner Shape | CHAMFERED INSIDE LEFT CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | CHAMFERED INSIDE RIGHT CORNER |
| Body Outside Diameter | 1.1990 INCHES MINIMUM AND 1.2000 INCHES MAXIMUM IN |
| Style Designator | SOLID, PLAIN, NO OUTSIDE FLANGES |
| Material Document and Classification | AMS 5628 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER |
| Material Document and Classification | P-3310,FSCM 99167 MFR REF SINGLE MATERIAL RESPONSE INNER LAYER |
| Body Inside Diameter | 0.9690 INCHES MINIMUM AND 0.9710 INCHES MAXIMUM IN |
| Test Data Document | 99167-PN16.03 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Material | CARBON INNER LAYER |
| Material | STEEL COMP 431 OUTER LAYER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10738 PRIMARY | Dupont Specialty Products Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5903979 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 5903979 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 3120-01-221-8741 is a Bushing,sleeve, manufactured by Dupont Specialty Products Usa, Llc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-221-8741 has 1 manufacturer part number on file: 10738 (Dupont Specialty Products Usa, Llc).
3 possible matches (shared part number, not a government interchangeability claim): 6220-01-334-8298, 5975-01-372-2379, 6150-01-627-2248. Verify interchangeability with system specifications before substitution.
Key specifications for 10738: Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Corner Shape: CHAMFERED INSIDE RIGHT CORNER. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.