The Knob, cataloged under National Stock Number 5355-01-035-2310, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 17 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5355-01-035-2310 |
| Primary Part Number | 51217 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Keyway Depth | 0.036 INCHES NOMINAL IN |
| Distance From Hole Center to Knob/skirt Base | 0.312 INCHES NOMINAL IN |
| Shaft Accommodation Style | SINGLE KEYWAY |
| Length | 2.125 INCHES NOMINAL IN |
| Overall Thickness | 1.000 INCHES NOMINAL IN |
| Style Designator | BAR |
| Setscrew Hole Quantity | 1 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Inside Diameter | 0.3750 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN |
| Gripping Surface Condition | SMOOTH |
| Keyway Width | 0.064 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Width | 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN |
| Screw Drive Type | CROSS RECESS TYPE 1 |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Material | STEEL COMP 303 |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS OR HOLE |
| 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 |
|---|---|
| 51217 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 887C051217 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 887C051217 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5355-01-035-2310 is a Knob, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-035-2310 has 1 manufacturer part number on file: 51217 (L3 Technologies, Inc. Div L3 Keo).
2 possible matches (shared part number, not a government interchangeability claim): 3110-01-136-6159, 3110-01-722-8625. Verify interchangeability with system specifications before substitution.
Key specifications for 51217: Keyway Depth: 0.036 INCHES NOMINAL IN; Distance From Hole Center to Knob/skirt Base: 0.312 INCHES NOMINAL IN; Shaft Accommodation Style: SINGLE KEYWAY; Length: 2.125 INCHES NOMINAL IN. 17 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.