The Knob, cataloged under National Stock Number 5355-01-491-8770, is classified within Federal Supply Class 5355 (Knobs and Pointers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Knob |
| FSC / FSG | 5355 — Knobs and Pointers (FSG 53) |
| Parameter | Value |
|---|---|
| NSN | 5355-01-491-8770 |
| Item Name | Knob |
| FSC / FSG | 5355 / 53 — Knobs and Pointers |
| Status | ACTIVE |
| Overall Thickness | 0.589 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN |
| Style Designator | ROUND |
| Outside Diameter | 1.526 INCHES MINIMUM AND 1.536 INCHES MAXIMUM IN |
| Pin Accommodation Type | STRAIGHT PIN TYPE W/PIN |
| Gripping Surface Condition | GRIP AID |
| Attachment Method | PIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 127-5-2 | 3/2 Design control — primary reference U.S. Government activity |
| B127-5-2 | 5/2 Secondary reference U.S. Government activity |
NSN 5355-01-491-8770 is a Knob, classified under FSC 5355, Knobs and Pointers. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2930-01-498-5354. Verify interchangeability with system specifications before substitution.
Key specifications for 5355-01-491-8770: Overall Thickness: 0.589 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN; Style Designator: ROUND; Outside Diameter: 1.526 INCHES MINIMUM AND 1.536 INCHES MAXIMUM IN; Pin Accommodation Type: STRAIGHT PIN TYPE W/PIN. 6 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.