The Screw,tach Servo,fuel Control, cataloged under National Stock Number 5305-00-161-0591, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Woodward, Inc. Div Fuel Systems and Controls. Government technical data includes 1 specification, 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-161-0591 |
| Primary Part Number | 3397-034 |
| Item Name | Screw,tach Servo,fuel Control |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Woodward, Inc. Div Fuel Systems and Controls |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,PASSIVATED,0.625 IN. LG O/A,0.435 IN. NOM DIA HEAD,0.1875 IN. MIN 0.1900 IN. MAX HEX 0.100 IN. DEEP WRENCHING FACILITY IN HEAD,0.250-28 UNJF 3A THD 0.252 IN. LG EXTERNAL,NO. 5-40 ST1-2B TAP 0.210 IN. DEEP INTERNAL,SHANK END A |
| 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 |
|---|---|
| 3397-034 PRIMARY | Woodward, Inc. Div Fuel Systems and Controls (USA) |
NSN 5305-00-161-0591 is a Screw,tach Servo,fuel Control, manufactured by Woodward, Inc. Div Fuel Systems and Controls, classified under FSC 5305, Screws. Status: active.
NSN 5305-00-161-0591 has 1 manufacturer part number on file: 3397-034 (Woodward, Inc. Div Fuel Systems and Controls).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-300-2676. Verify interchangeability with system specifications before substitution.
Key specifications for 3397-034: General Characteristics Item Description: STEEL,PASSIVATED,0.625 IN. LG O/A,0.435 IN. NOM DIA HEAD,0.1875 IN. MIN 0.1900 IN. MAX HEX 0.100 IN. DEEP WRENCHING FACILITY IN HEAD,0.250-28 UNJF 3A THD 0.252 IN. LG EXTERNAL,NO. 5-40 ST1-2B TAP 0.210 IN. DEEP INTERNAL,SHANK END A. 1 specification is 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.