NSN 3120-00-034-1608 — this item is cataloged by the U.S. Government under National Stock Number 3120-00-034-1608. Manufacturer of record part number: GB10D4-2.
Body Outside Diameter: 0.4340 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM IN
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and Classification: MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
Body Inside Diameter: 0.2497 INCHES MINIMUM AND 0.2507 INCHES MAXIMUM IN
Material: STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP E4340 OVERALL
1 manufacturer part number on file
Identification
NSN: 3120-00-034-1608
NIIN: 000341608
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: GB10D4-2
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-00-034-1608, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 6 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-00-034-1608
Primary Part Number
GB10D4-2
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
Corner Shape
SQUARE ALL CORNERS
Body Outside Diameter
0.4340 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and Classification
MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
Body Inside Diameter
0.2497 INCHES MINIMUM AND 0.2507 INCHES MAXIMUM IN
Material
STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP E4340 OVERALL
Other items in FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288
3120-00-001-1288 · Item name not on file
3120-00-001-1835
3120-00-001-1835 · Item name not on file
3120-00-001-1838
3120-00-001-1838 · Item name not on file
3120-00-001-1928
3120-00-001-1928 · Item name not on file
3120-00-001-1934
3120-00-001-1934 · Item name not on file
3120-00-001-3933
3120-00-001-3933 · Item name not on file
3120-00-001-3937
3120-00-001-3937 · Item name not on file
3120-00-001-3938
3120-00-001-3938 · Item name not on file
Frequently Asked Questions
What is NSN 3120-00-034-1608?
NSN 3120-00-034-1608 is a Bushing,sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-00-034-1608?
NSN 3120-00-034-1608 has 1 manufacturer part number on file: GB10D4-2 (Northrop Grumman Systems Corporation).
What are the specifications of GB10D4-2?
Key specifications for GB10D4-2: Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.4340 INCHES MINIMUM AND 0.4350 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Material Document and Classification: MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 3RD MATERIAL RESPONSE OVERALL. 6 specifications are documented in the U.S. Government catalog.
Is NSN 3120-00-034-1608 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.