PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6573Screw,machine

Birnbach Co Inc · NSN 5305-01-042-8818 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-042-8818 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-042-8818. Primary manufacturer part number: 6573.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Screw Material: PLASTIC POLYAMIDE NYLON
  • Head Style: ROUND
  • Thread Length: 0.073 INCHES NOMINAL IN
  • Fastener Length: 0.073 INCHES NOMINAL IN
  • Head Height: 0.051 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-042-8818, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Birnbach Co Inc. Government technical data includes 11 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-042-8818
Primary Part Number6573
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBirnbach Co Inc
StatusACTIVE
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Screw MaterialPLASTIC POLYAMIDE NYLON
Head StyleROUND
Thread Length0.073 INCHES NOMINAL IN
Fastener Length0.073 INCHES NOMINAL IN
Head Height0.051 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Nominal Thread Diameter0.164 INCHES IN
Thread Class3A A
Head Diameter0.061 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5315-00-198-5981MS24692-283 INTERCHANGEABLE
Pin,tapered,plain
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
1650-00-696-6190A6573 INTERCHANGEABLE
Plunger,detent
Aerocontrolex Group, Inc. Div Talley Actuators
5950-01-141-912125P228032-01 INTERCHANGEABLE
Transformer,power
Herley Chicago Dba Stewart Warner Electronics
6532-01-322-5899 INTERCHANGEABLE
Diaper,adult's
4530-01-499-1068 INTERCHANGEABLE
Nozzle,oil Burner,pressure Atomi
3040-01-624-15876573 INTERCHANGEABLE
Payload
Teledyne Flir Unmanned Ground Systems, Inc
5935-01-685-72346573 INTERCHANGEABLE
Jackscrew,electrical Connector
Dytran Instruments, Inc. Dba Dytran Instruments Inc
Cross-Reference Index
Part NumberManufacturer
6573 Birnbach Co Inc (USA)
Related Parts
5315-00-198-5981INTERCHANGEABLE
PIN,TAPERED,PLAIN
MS24692-283
1650-00-696-6190INTERCHANGEABLE
PLUNGER,DETENT
A6573
5950-01-141-9121INTERCHANGEABLE
TRANSFORMER,POWER
25P228032-01
6532-01-322-5899INTERCHANGEABLE
DIAPER,ADULT'S
4530-01-499-1068INTERCHANGEABLE
NOZZLE,OIL BURNER,PRESSURE ATOMI
3040-01-624-1587INTERCHANGEABLE
PAYLOAD
6573
5935-01-685-7234INTERCHANGEABLE
JACKSCREW,ELECTRICAL CONNECTOR
6573

Frequently Asked Questions

What is NSN 5305-01-042-8818?

NSN 5305-01-042-8818 is a Screw,machine, manufactured by Birnbach Co Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-042-8818?

NSN 5305-01-042-8818 has 1 cross-referenced part number: 6573 (Birnbach Co Inc).

What NSN replaces 5305-01-042-8818?

There are 7 known substitutes for 5305-01-042-8818: 5315-00-198-5981, 1650-00-696-6190, 5950-01-141-9121 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6573?

Key specifications for 6573: Thread Direction: RIGHT-HAND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Screw Material: PLASTIC POLYAMIDE NYLON; Head Style: ROUND. 11 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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