The Knob, cataloged under National Stock Number 5355-01-009-7505, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5355-01-009-7505 |
| Primary Part Number | 771691-1 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Distance From Hole Center to Knob/skirt Base | 0.158 INCHES MINIMUM IN |
| Shaft Accommodation Style | COUNTERBORED |
| Overall Thickness | 0.915 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 0.721 INCHES MAXIMUM IN |
| Counterbore Depth | 0.026 INCHES MINIMUM IN |
| Reference Marking | INTENSITY |
| Setscrew Hole Quantity | 2 |
| Nominal Thread Size | 0.164 INCHES SCREW HOLE IN |
| Counterbore Diameter | 0.486 INCHES MINIMUM IN |
| Inside Diameter | 0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN |
| Gripping Surface Condition | SMOOTH |
| Screw Drive Type | HEXAGON SOCKET |
| Thread Quantity Per Inch | 32 SCREW HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SCREW HOLE |
| Attachment Method | SETSCREWS |
| 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 |
|---|---|
| 771691-1 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 70-1-26-1 | Raytheon Company (USA) |
| 70-1-26-1 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2021120-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 70-1-26-1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 5355-01-009-7505 is a Knob, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5355, Knobs and Pointers. Status: active.
NSN 5355-01-009-7505 has 3 manufacturer part numbers on file: 771691-1 (Lockheed Martin Corporation Div Rms - Mitchel Field), 70-1-26-1 (Raytheon Company), 70-1-26-1 (Raytheon Company Dba Raytheon Co).
2 possible matches (shared part number, not a government interchangeability claim): 5342-01-282-9132, 5342-01-706-0401. Verify interchangeability with system specifications before substitution.
Key specifications for 771691-1: Distance From Hole Center to Knob/skirt Base: 0.158 INCHES MINIMUM IN; Shaft Accommodation Style: COUNTERBORED; Overall Thickness: 0.915 INCHES MAXIMUM IN; Style Designator: ROUND. 16 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.