PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16550Screw,tapping

Gyrus Acmi L.p. Dba Circon-Acmi Div · NSN 5305-00-070-1980 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-070-1980 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-070-1980. Primary manufacturer part number: 16550.
Features
  • Screw,tapping — FSC 5305
  • Head Style: ROUND
  • Internal Drive Style: SLOT
  • Fastener Length: 0.125 INCHES NOMINAL IN
  • Material: STEEL COMP 303 OVERALL
  • 1 verified cross-reference
  • Primary manufacturer: Gyrus Acmi L.p. Dba Circon-Acmi Div
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Screw,tapping, cataloged under National Stock Number 5305-00-070-1980, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Gyrus Acmi L.p. Dba Circon-Acmi Div. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-070-1980
Primary Part Number16550
Item NameScrew,tapping
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerGyrus Acmi L.p. Dba Circon-Acmi Div
StatusACTIVE
Head StyleROUND
Internal Drive StyleSLOT
Fastener Length0.125 INCHES NOMINAL IN
MaterialSTEEL COMP 303 OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-317-8525105A INTERCHANGEABLE
Gasket
Parker Hannifin Corporation Div Chelsea Products Division
2030-00-390-113516550 INTERCHANGEABLE
Body,valve
Hydro-Aire Aerospace Corp
4810-00-580-202416550 INTERCHANGEABLE
Valve,linear,directional Control
Moog Inc
2530-01-324-2720 INTERCHANGEABLE
Hub,wheel,vehicular
3040-01-359-111716550 INTERCHANGEABLE
Housing,mechanical Drive
New Venture Gear Inc New Process Gear Div
5110-01-625-358116550 INTERCHANGEABLE
File,hand
Warrensville File & Knife Inc
Cross-Reference Index
Part NumberManufacturer
16550 PRIMARY Gyrus Acmi L.p. Dba Circon-Acmi Div (USA)
Related Parts
5330-00-317-8525INTERCHANGEABLE
GASKET
105A
2030-00-390-1135INTERCHANGEABLE
BODY,VALVE
16550
4810-00-580-2024INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
16550
2530-01-324-2720INTERCHANGEABLE
HUB,WHEEL,VEHICULAR
3040-01-359-1117INTERCHANGEABLE
HOUSING,MECHANICAL DRIVE
16550
5110-01-625-3581INTERCHANGEABLE
FILE,HAND
16550

Frequently Asked Questions

What is NSN 5305-00-070-1980?

NSN 5305-00-070-1980 is a Screw,tapping, manufactured by Gyrus Acmi L.p. Dba Circon-Acmi Div, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-070-1980?

NSN 5305-00-070-1980 has 1 cross-referenced part number: 16550 (Gyrus Acmi L.p. Dba Circon-Acmi Div).

What NSN replaces 5305-00-070-1980?

There are 6 known substitutes for 5305-00-070-1980: 5330-00-317-8525, 2030-00-390-1135, 4810-00-580-2024 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16550?

Key specifications for 16550: Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Head Style: ROUND; Internal Drive Style: SLOT; Fastener Length: 0.125 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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